The United States needs to officially end the Iraq war -- or else acknowledge that it’s waging an endless and unwinnable fight.
Why paying for an aging population may force the United States -- and its allies -- to cut back on military spending.
Why Russia's missile mischief shows that the United States needs to think differently about arms control.
Political and piecemeal Pentagon budget cuts can't hide the fact that there's no strategy behind the sequester drawdown.
What James Madison (and the rest of the Founding Fathers) would have thought of the NSA and Edward Snowden.
A snapshot of the nation’s anxious, online soul.
From Syria to Iran, Obama's State of the Union leaves many questions unanswered.
Why the Great Recession's "lost generation" may be lost to the right wing -- forever.
How killer robots became more than just scary science fiction.
Technology, not policy, will make it easier for U.S. leaders to kill people, blow things up, and disrupt computer networks around the world.
The Iran debate is a window into the 2016 U.S. presidential election. Here's where the would-be candidates stand.
Why America's staggering wealth disparity is an economic problem -- not just a moral one.
A memo to Barack Obama on how to talk about the Middle East policy no one thinks he actually has.
President Obama’s reforms at the NSA won’t protect Americans’ privacy from continued government intrusion.
Obama admitted to dragnet surveillance. We still don't know what will happen next.
The latest threat to international peacekeeping is political warfare in Washington.
Seeking a middle ground on surveillance, Obama pleases few.
How many more tell-all memoirs will it take for the president to admit that it's not working?
Why putting more military veterans on Capitol Hill won't end Washington's rampant partisanship.
How a New Jersey Democrat became the White House's biggest foreign-policy foe.
From health care to education, what the United States can learn from poorer countries.
Why belief in first-strike advantage is as misguided today as it was in 1914.
How America's favorite Chinese dissident burned bridges at NYU and ended up at a pro-life, anti-gay think tank.