trump believe our national security depends on levying tariffs on steel from canada and mexico. and you were talking about the careful process you have to go through when you try to make a finding that is a precedent to tariffs. by going on twitter and saying that we'll keep the tariffs on until we get a better deal from canada and mexico on nafta, that pretty much blows out of the water the idea that this is about national security instead of about a president's sort of crude notion of what carrots and sticks can be used in a negotiate. this is -- the reason why you're seeing so much reaction across the board is that no mainstream economists think this makes any sense. it may help a small number of steel workers. hurt a very much larger number of people who work for industries that use steel and consumers who buy products that