In his sovereignty-centric speech Tuesday to the UN General Assembly, President Donald Trump threatened to “totally destroy North Korea”; called Iran “a corrupt dictatorship” whose “chief exports are violence, bloodshed, and chaos”; and said Venezuela’s government “has inflicted terrible pain and suffering on the good people of that country.”

The remarks have prompted the expected reactions from Iran, whose foreign minister called it an “ignorant hate speech [that] belongs in medieval times,” and Venezuela’s foreign minister, who countered: “Trump is not the president of the world ... he cannot even manage his own government.” North Korea, whose nuclear-weapons and missile programs have raised tensions with its neighbors and the U.S., is yet to respond.

Above all else, President Donald Trump wants the world to see him as strong. He has repeatedly described himself as “militaristic,” and his cabinet as a group of “killers.” He relishes saying the supposedly unsayable. When he spoke at the UN General Assembly yesterday, he surely wanted his listeners to be awed by his toughness. Better, as Machiavelli said, to be feared than loved.

Trump’s team loaded his speech with harsh words and phrases. He promised to destroy North Korea if attacked. He called the Iran nuclear deal an embarrassment. He rejected globalism and spoke at length about the benefits of sovereignty, nationalism, and patriotism.

But when one moves beyond the image Trump tries to project and looks at the consequences of his words, things look quite different. His UN speech was one of the least effective, weakest, and indecisive ever given by an American president. It’s not that it failed against some arbitrary standard set by the foreign-policy establishment he despises. It failed on its own terms. And how it failed tells us something important about where his foreign policy is headed.

“By the way, before you post a nasty Facebook message saying I’m politicizing my son’s health problems, I want you to know: I am politicizing my son’s health problems.”   

That was Jimmy Kimmel on Tuesday evening, in a monologue reacting to the introduction of Graham-Cassidy, the (latest) bill that seeks to replace the Affordable Care Act. Kimmel had talked about health care on his show before, in May—when, after his newborn son had undergone open-heart surgery to repair the damage of a congenital heart defect, he delivered a tearfully personal monologue sharing the experience of going through that—and acknowledging that he and his family were lucky: They could afford the surgery, whatever it might cost. Kimmel concluded his speech by, yes, politicizing his son’s health problems: He emphasized how important it is for lower- and middle-class families to have comprehensive insurance coverage, with protections for people with preexisting conditions. “No parent,” he said, speaking through tears, “should ever have to decide if they can afford to save their child’s life. It shouldn’t happen.”

One day last summer, around noon, I called Athena, a 13-year-old who lives in Houston, Texas. She answered her phone—she’s had an iPhone since she was 11—sounding as if she’d just woken up. We chatted about her favorite songs and TV shows, and I asked her what she likes to do with her friends. “We go to the mall,” she said. “Do your parents drop you off?,” I asked, recalling my own middle-school days, in the 1980s, when I’d enjoy a few parent-free hours shopping with my friends. “No—I go with my family,” she replied. “We’ll go with my mom and brothers and walk a little behind them. I just have to tell my mom where we’re going. I have to check in every hour or every 30 minutes.”

Those mall trips are infrequent—about once a month. More often, Athena and her friends spend time together on their phones, unchaperoned. Unlike the teens of my generation, who might have spent an evening tying up the family landline with gossip, they talk on Snapchat, the smartphone app that allows users to send pictures and videos that quickly disappear. They make sure to keep up their Snapstreaks, which show how many days in a row they have Snapchatted with each other. Sometimes they save screenshots of particularly ridiculous pictures of friends. “It’s good blackmail,” Athena said. (Because she’s a minor, I’m not using her real name.) She told me she’d spent most of the summer hanging out alone in her room with her phone. That’s just the way her generation is, she said. “We didn’t have a choice to know any life without iPads or iPhones. I think we like our phones more than we like actual people.”

It is insufficient to state the obvious of Donald Trump: that he is a white man who would not be president were it not for this fact. With one immediate exception, Trump’s predecessors made their way to high office through the passive power of whiteness—that bloody heirloom which cannot ensure mastery of all events but can conjure a tailwind for most of them. Land theft and human plunder cleared the grounds for Trump’s forefathers and barred others from it. Once upon the field, these men became soldiers, statesmen, and scholars; held court in Paris; presided at Princeton; advanced into the Wilderness and then into the White House. Their individual triumphs made this exclusive party seem above America’s founding sins, and it was forgotten that the former was in fact bound to the latter, that all their victories had transpired on cleared grounds. No such elegant detachment can be attributed to Donald Trump—a president who, more than any other, has made the awful inheritance explicit.

J.G. is a lawyer in his early 30s. He’s a fast talker and has the lean, sinewy build of a distance runner. His choice of profession seems preordained, as he speaks in fully formed paragraphs, his thoughts organized by topic sentences. He’s also a worrier—a big one—who for years used alcohol to soothe his anxiety.

J.G. started drinking at 15, when he and a friend experimented in his parents’ liquor cabinet. He favored gin and whiskey but drank whatever he thought his parents would miss the least. He discovered beer, too, and loved the earthy, bitter taste on his tongue when he took his first cold sip.

His drinking increased through college and into law school. He could, and occasionally did, pull back, going cold turkey for weeks at a time. But nothing quieted his anxious mind like booze, and when he didn’t drink, he didn’t sleep. After four or six weeks dry, he’d be back at the liquor store.

Since the Second World War, American presidents have repeatedly gone before the United Nations General Assembly and made a similar argument: The United States has national interests just like any other country, but in the modern era those interests are increasingly international in scope and shared by people around the world, requiring more of the multilateral cooperation that the UN was founded to foster.

John F. Kennedy argued that nuclear weapons necessitated “one world and one human race, with one common destiny” guarded by one “world security system,” since “absolute sovereignty no longer assures us of absolute security.” Richard Nixon spoke of a “world interest” in reducing economic inequality, protecting the environment, and upholding international law, declaring that the “profoundest national interest of our time” is the “preservation of peace” through international structures like the UN. In rejecting tribalism and the walling-off of nations, Barack Obama asserted that “giving up some freedom of action—not giving up our ability to protect ourselves or pursue our core interests, but binding ourselves to international rules over the long term—enhances our security.” These presidents practiced what they preached to varying degrees, and there’s long been a debate in the United States about the extent to which America’s sovereign powers should be ceded to international organizations, but in broad strokes the case for global engagement was consistent.

In the beginning, it wasn’t the heat, but the humidity. In 1902, the workers at Sackett & Wilhelms Lithographing & Printing Company in New York City were fed up with the muggy summer air, which kept morphing their paper and ruining their prints. To fix the problem, they needed a humidity-control system. The challenge fell to a young engineer named Willis Carrier. He devised a system to circulate air over coils that were cooled by compressed ammonia. The machine worked beautifully, alleviating the humidity and allowing New York’s lithographers to print without fear of sweaty pages and runny ink.

But Carrier had a bigger idea. He recognized that a weather-making device to control humidity had even more potential to control heat. He went on to mass-manufacture the first modern air-conditioning unit at the Carrier Corporation (yes, that Carrier Corporation), which is still one of the largest HVAC manufacturers in the world. Air-conditioning went on to change far more than modern printing—it shaped global productivity, migration, and even politics.

“Most descriptions of troubled marriages don’t seem to fit my situation,” Priya insists. “Colin and I have a wonderful relationship. Great kids, no financial stresses, careers we love, great friends. He is a phenom at work, fucking handsome, attentive lover, fit, and generous to everyone, including my parents. My life is good.” Yet Priya is having an affair. “Not someone I would ever date—ever, ever, ever. He drives a truck and has tattoos. It’s so clichéd, it pains me to say it out loud. It could ruin everything I’ve built.”

Priya is right. Few events in the life of a couple, except illness and death, carry such devastating force. For years, I have worked as a therapist with hundreds of couples who have been shattered by infidelity. And my conversations about affairs have not been confined within the cloistered walls of my therapy practice; they’ve happened on airplanes, at dinner parties, at conferences, at the nail salon, with colleagues, with the cable guy, and of course, on social media. From Pittsburgh to Buenos Aires, Delhi to Paris, I have been conducting an open-ended survey about infidelity.

Speaking before the UN General Assembly today, President Donald Trump announced that, unless North Korea gives up its nuclear weapons and ballistic missile programs, “the United States will have no choice but to totally destroy” the country.  He sounded almost excited as he threatened, “Rocket Man is on a suicide mission for himself and for his regime.”

North Korea is a serious problem, and not one of Trump’s making—the last four American presidents failed to impede North Korea’s progress towards a nuclear weapon. President George H.W. Bush took unilateral action, removing U.S. nuclear weapons and reducing America’s troop levels in the region, hoping to incentivize good behavior; Presidents Bill Clinton and George W. Bush tried to negotiate restrictions; President Barack Obama mostly averted his eyes. North Korea defied them all.