kevin has it and others, 10 year -- hassett and others, 10 years ago, 12 or 15 years ago we were free traders, i'm not saying we're not free traders, in many ways mr. trump would like a free trade situation with reciprocity, we have moved today use of tariffs to move toward free trade reciprocity or a matter of national security. there is no question the world has changed. the republican party has changed. arthur and we have changed. >> pl president trump first term was well aware of negotiating ability of tariffs, deals he got were freer trade, usmca, and japan and south korea and brazil. when you look at this, by way kevin is amazingly well qualified to be your replacement, he is a d data driven guy, i like him, you look at it here, there are several reasons why you want to use trade to get other objectives. number one, prior to 1913, tariffs were a major source of revenue are in federal government. when you look at the numbers if you do use a tariff across the board flat tariff, you can use that to cut income taxes as you said, you can. you can see how it works well with colombia, we'll not have to raise tariffs to colombia to get to do what we