Why did Trump cancel summit with North Korea? Five reasons president will not meet Kim Jong Un. Joshua Keating on How Trump’s North Korea summit collapsed. South Korea responds to Trump’s sudden cancellation of Kim Jong Un summit. Trump threatens war against North Korea — and says South Korea and Japan will pay for it. Trump just canceled the North Korea summit — 9 experts explain what happens now. Donald Trump cancels North Korea summit, placing his Nobel Peace Prize in serious jeopardy. Think military strikes could stop North Korea? Try it and see. How a nuclear attack on North Korea would spark a global cancer epidemic.

The 2017 Nobel Peace Prize and the Doomsday Clock: The end of nuclear weapons or the end of us? How to be a prophet of doom: We could use a new graphic reminder of what nuclear war would mean for humanity.

Fuat Gursozlu (Loyola): Democratic Potential of Creative Political Protest. Facebook has moved billions of accounts out of reach of new European privacy rule. Mark Zuckerberg hearing shows it’s Europe — not America — Facebook should be worried about. Gopal Balakrishnan was accused of sexual harassment for years — then an anonymous online letter did what whispers couldn’t. Obama sucks as a post-president. From the American Interest, Richard Thompson Ford on social justice as distributive justice: It’s messy and open ended, like politics, where even well justified policies often involve some moral arbitrariness. What’s the biggest obstacle to Trump’s summit with Kim Jong Un? Trump. What happens if there is no Trump-Kim Jong Un summit? With medal of honor, SEAL Team 6 rewards a culture of war crimes.

Is this Playboy model keeping the biggest secret of the Trump presidency? Get to know Elliott Broidy, the next major Trump scandal figure. Hey, look: More evidence that Broidy may have been covering for Trump in that Playmate affair. “That psychopath is going down”: Inside Trumpworld, a bizarre counter-narrative takes hold. That the pre-election investigation of his corruption included the (wholly legitimate) use of an informant just makes a handy way for Trump to spin himself as the victim while he continues to pick the pockets of the American people. Most Americans don’t realize Robert Mueller’s investigation has uncovered crimes.

From the New York Times, a look at how the Mueller investigation could play out for Trump. Chris Hayes and Kate Shaw examine all the ways Trump has tested America’s legal boundaries since his inauguration, and what we can learn as a result. We need to stop talking so much about norms — because it doesn’t capture what is happening or the situation we’re in. Trump as history: Oz Frankel on moving past Trump as an individual and thinking of Trumpism as a historical and political phenomenon.