The ridiculous real story behind the tariff plan that turned Donald Trump into a global disaster

Rachel Maddow looks at ways to understand the scope of the damage Donald Trump has done to the entire world economy, and reminds viewers where the tariff idea came from that has turned Donald Trump into a one-man global disaster. Want more of Rachel? Check out the "Rachel Maddow Presents" feed to listen to all of her chart-topping original podcasts.