"Free trade", as has been practiced over the past quarter century, means U.S.-based manufacturers are structurally disadvantaged, by design. That is the opposite of what free trade is supposed to be, and that is what needs to and change and will change under a Trump administration.
A wise policy approach will bring everything on the table. It’s not as simple as a unilateral slap.
At the same time, we really need a more diplomatic Donald if he turns out to make the presidency and we expect that the world is going to play along with us. Dish out vinegar, get vinegar in return. Pitch a sweet deal, and you might well get a sweet deal back.