Why Donald Trump Is Feeling the Heat From Midwestern Farmers

On the campaign trail, Donald Trump made two big promises: renegotiating free trade agreements and helping corn growers by supporting ethanol.

He has followed through on the first, withdrawing the U.S. from the Trans-Pacific Partnership, attempting to renegotiate the North American Free Trade Agreement and demanding China curb trade practices widely viewed as unfair.

But as it turns out, that's only increased pressure on him to follow through on the second, which he's waffled on.