Former Joint Chiefs chairman Mike Mullen: Likelihood of nuclear war is rising. Is Donald Trump getting ready to attack North Korea? Nuclear destruction “one impulsive tantrum away”, Nobel winners warn. “They want to know if Trump’s crazy”: Susan Glasser goes inside the secret back-channel North Korea talks. Sen. Tammy Duckworth on North Korea: “Most Americans don’t realize how close we are to this war”. A war with North Korea would be a conflict like no other (and millions could die). This is how nuclear war with North Korea would unfold: In one all-too-plausible worst-case scenario, millions die from mistakes and a tweet. Would cyberattacks be likely in a U.S.-North Korea conflict? Here’s what we know.

Suzanne Maloney thinks we’re as close to war with Iran as we've been in 25 years. Trump doesn’t understand Iran — he’s making policy based on a caricature. Evan Osnos on Trump’s irrational hatred of the Iran deal. Is the U.S. about to “cheat” on the Iran nuclear deal? Here’s how this could backfire. What a war between Iran and America would actually look like. Iran doesn’t have a nuclear weapons program — why do media keep saying it does? Trump punted the Iran deal to Congress — Congress just punted it back.