Trump's argument that the TPP, which was an Epluribus Unum one-over-the-world trade deal, and therefore resulted in the lowest common denominator as far as its actual terms made some sense to me.   

I've always found it easier to negotiate with one person than with a committee.  

He thinks he can do better negotiating with one country at a time either in NAFTA or over in Asia.    

TPP is dead, but he still has that magic trade authority Obama got from Congress so now he can prove his case or not.