Trump promises more tariff letters coming today

90 days after President Trump's self-imposed deadline for countries to strike trade deals with the US, he has announced that the new deadline of August 1 won't be extended. Trump has also threatened 200% tariffs on pharmaceuticals and announced a 50% tariff on imported copper. CNN's Becky Anderson speaks with Richard Baldwin, author of "The Great Trade Hack: How Trump's Trade War Fails and the World Moves On." #CNN #News