ta-nehisi coates is joining us, everybody!heers and applause ) >> trevor: we'll be chatting about his first novel "the water dancer." one of the biggest democrats drops out of the race. how to eat meat without eating meat and donald trump has invaded the u.k. let's catch up on today's headlines. let's kick it off with facebook. the world's largest social media company and web site that reminds you it's the birthday of someone you met once. ( laughter ) recently, it came out that mark zuckerberg had a secret meeting with president trump at the white house and now for the first time zuckerberg is being asked what that meeting was about. >> you don't want to take down political ads that people know are false, that they contain false information. >> what i believe is that, in a democracy, it's really important that people can see for themselves what politicians are saying so they can make their own judgments. >> you had dinner with the president at the white house. what was the nature of the meeting. can you say? >> sure. i mean,