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Nations, like individuals, tell stories in order to understand what they are, where they come from, and what they want to be. National narratives, like personal ones, are prone to sentimentality, grievance, pride, shame, self-blindness. There is never just one—they compete and constantly change. The most durable narratives are not the ones that stand up best to fact-checking. They’re the ones that address our deepest needs and desires. Americans know by now that democracy depends on a baseline of shared reality—when facts become fungible, we’re lost. But just as no one can live a happy and productive life in nonstop self-criticism, nations require more than facts—they need stories that convey a moral identity. The long gaze in the mirror has to end in self-respect or it will swallow us up.

While Senator Joe Manchin is demanding that both parties agree on any further federal voting-rights legislation, a new study quantifies how completely Republicans have excluded Democrats from the passage of the restrictive voting laws proliferating in red states.

In places such as Florida, Georgia, Arizona, Iowa, Kansas, and Montana, the most restrictive laws approved this year have passed on total or near-complete party-line votes, with almost all state legislative Republicans voting for the bills and nearly all Democrats uniting against them, according to an analysis of state voting records provided exclusively to The Atlantic by the Brennan Center for Justice at NYU.

That pattern of unrelenting partisanship has left many state-level Democrats incredulous at the repeated insistence by Manchin, a conservative Democrat from West Virginia, that he will support new federal voting-rights legislation only if at least some Republican senators agree to it.

Carl Schoonover and Andrew Fink are confused. As neuroscientists, they know that the brain must be flexible but not too flexible. It must rewire itself in the face of new experiences, but must also consistently represent the features of the external world. How? The relatively simple explanation found in neuroscience textbooks is that specific groups of neurons reliably fire when their owner smells a rose, sees a sunset, or hears a bell. These representations—these patterns of neural firing—presumably stay the same from one moment to the next. But as Schoonover, Fink, and others have found, they sometimes don’t. They change—and to a confusing and unexpected extent.

Schoonover, Fink, and their colleagues from Columbia University allowed mice to sniff the same odors over several days and weeks, and recorded the activity of neurons in the rodents’ piriform cortex—a brain region involved in identifying smells. At a given moment, each odor caused a distinctive group of neurons in this region to fire. But as time went on, the makeup of these groups slowly changed. Some neurons stopped responding to the smells; others started. After a month, each group was almost completely different. Put it this way: The neurons that represented the smell of an apple in May and those that represented the same smell in June were as different from each other as those that represent the smells of apples and grass at any one time.

Representative Alexandria Ocasio-Cortez, one of the most prominent progressive politicians in the country, warned last week that her hometown is at high risk of having a decidedly moderate mayor. Standing in New York’s City Hall Park to deliver a last-minute endorsement of Maya Wiley, a civil-rights lawyer who’d previously struggled to crack the top tier, Ocasio-Cortez urged the left to come together. “We have the candidates in the field, and it’s time for us to make a choice,” she said. “We cannot afford to sit on the sidelines. We can’t afford to not engage because of what could have been. We engage in the world that we have.”

The forces driving a likely moderate outcome in the June 22 Democratic primary are varied; many are specific to New York and to this election. But the race also contains major warning signs for progressives across the country. If the left loses out in the city arguably leading the socialist revival in the United States, it will be, at least in part, because of dramatic infighting fueled by rigid positions on sexual and social-justice politics, as well as the generalized failure to unify behind one candidate alluded to by Ocasio-Cortez.

It’s not just voting rights.

Though this year’s proliferation of bills restricting ballot access in red states has commanded national attention, it represents just one stream in a torrent of conservative legislation poised to remake the country. GOP-controlled states—including Florida, Tennessee, Georgia, Texas, Arizona, Iowa, and Montana—have advanced their most conservative agenda in years, and one that reflects Donald Trump’s present stamp on the Republican Party.

Across these states and others, Republican legislators and governors have operated as if they were programming a prime-time lineup at Fox News. They have focused far less on the small-government, limited-spending, and anti-tax policies that once defined the GOP than on an array of hot-button social issues, such as abortion, guns, and limits on public protest, that reflect the cultural and racial priorities of Trump’s base.