Just ten weeks after Inauguration Day in 2009, President Obama used his first overseas trip in office to announce his intention to rid the world of nuclear weapons. The U.S. "must ignore the voices who tell us that the world cannot change. We have to insist: Yes we can," he told a cheering crowd of 20,000 in Prague's Hradcany Square, rhetorically linking the no-nukes push to the sky's-the-limit idealism that had electrified supporters during his recent presidential campaign.
Obama's high-profile endorsement of what arms-control advocates call "global zero" was a hugely significant step for a U.S. president to take. But since then, he's been hit with some jarring reminders of just what an uphill climb that journey to zero will be. And despite some successes -- most notably the New START treaty with Russia signed last year -- many of those following weapons policy say Obama's effort to begin reshaping the U.S.'s own massive nuclear arsenal in light of the zero goal has proceeded far more slowly than expected. In fact, despite Obama's pledge, he's spending more than President Bush did to upgrade and modernize our weapons. "He's clearly accomplished much less than had been hoped," says Barry Blechman, a veteran weapons-policy expert who has served on the Pentagon's Defense Policy Board and as a top arms-control official.
Advocates of major arms reductions say they always knew progress would be slow. But two and a half years after Prague, nuclear-weapons policy has become yet another area where the heady optimism of the administration's early days has largely evaporated. And Obama's bold push for a nuclear-free world -- and an American nuclear posture in support of that goal -- looks to be in danger of stalling.
In endorsing zero, Obama wasn't just paying lip service to some pie-in-the-sky dream of his liberal base. Since well before Prague, the U.S. nuclear weapons program has been facing something of an existential crisis. We haven't built a new bomb since 1992, and the nuclear track no longer tends to attract the military's best and brightest. "There isn't a whole lot of career advancement in nukes these days," Stephen Schwartz of the Center for Nonproliferation Studies told me last year.
That's led to a loss of focus, experts say, which in turn lies behind a recent spate of hair-raising, Homer-Simpson-style nuclear blunders: nuclear-tipped cruise missiles unknowingly flown from an air force base in North Dakota to another in Louisiana; ballistic missile components mistakenly shipped to Taiwan, where they sat for two years; Air Force officers falling asleep while guarding launch codes for nuclear weapons; scientists at Los Alamos flat-out forgetting how to make a crucial nuclear material.
Nuclear-weapons policy has become yet another area where the heady optimism of the administration's early days has largely evaporated.
There's also been a shift in thinking about the demonstrated value of nuclear weapons in history. Until recently, the firm consensus was that Hiroshima and Nagasaki ended World War II, and that for the 45 years that followed, the doctrine of "mutually assured destruction" averted a U.S.-Russia nuclear conflict. Over the last decade, though, scholars have challenged both claims, arguing that fears of a Russian invasion played a greater role than the atom bomb in Japan's decision to surrender, and that the Cold War stayed cold more thanks to sheer luck than any fool-proof grand strategy -- as close calls like the Cuban Missile Crisis suggest.
The threat of terrorism has pushed in the same anti-nuclear direction. In late 2007, four national-security veterans with unimpeachable Cold Warrior bona fides -- Henry Kissinger, Sam Nunn, George Schultz, and William Perry -- launched a campaign to convince the world that a planet free of nuclear weapons is the only guaranteed long-term way to guard against what many see as the gravest threat to American and global security: the prospect of a terror network or rogue regime acquiring nuclear material. And if global zero is ever to become a reality, they say, the U.S. will need to lead the way.
That campaign was crucial in giving Obama the cover he needed to endorse global zero and perhaps even paved the way for New START, the biggest arms control success of Obama's tenure to date. Few deny that the treaty -- which was signed in April 2010, and among other provisions, places limits on the number of deployed strategic nuclear warheads on both sides -- was a major accomplishment that helped get U.S.-Russia relations back on a positive track, as well as a key starting point on the path to zero. (Between them, the two countries own the vast majority of the world's nuclear weapons. The U.S. has around 5,000, while Russia may have as many as twice that.) That same April, Obama hosted a major nonproliferation summit in Washington, where 47 countries made voluntary commitments to work to safeguard loose nuclear material.
But that "nuclear spring," as the White House dubbed it, may come to signify the apex of arms-control advocates' hopes. Thanks to wariness on the part of the Russians, and ideological opposition to arms control from much of the Republican Party, further U.S.-Russia agreements look to be a long way off.
"There's a lot of skepticism [among U.S. lawmakers], even about further reductions, let alone zero," says James Acton, a senior associate in the Nuclear Policy Program at the Carnegie Endowment for Peace. "So it'll be potentially very hard to make an agreement that satisfies Russian concerns and is ratify-able in the Senate."