Trump's Back-and-Forth on Greenland

Last week, Denmark. This week, Canada. Why does Donald Trump go out of his way to embarrass allies? Is Trump bored of peace? He seems to be, at least when it comes to America’s traditional allies. Join moderator Jeffrey Goldberg, Peter Baker of The New York Times, Leigh Ann Caldwell of Puck, Stephen Hayes of The Dispatch and Idrees Kahloon of The Atlantic to discuss this and more.