The USA has a trade deficit that  runs into the hundreds of billions of dollars each year. It has a significant trade deficit with every trading country it deals with , including Canada. It is neither a left wing or a right wing issue for them to try come to grips with this. It is a problem if every single deal they have made, so far leaves, them on the deficit side. This negatively impacts their employment levels and many other related things. To take this on a micro level i.e. if Every deal I made with other people left me out of pocket would I be happy ? Would I not try to rectify this by trying to get deals where I am on the positive?