Republicans have carried the votes on trade agreements for the last 30 years.
Yeah...Republicans like Bill Clinton (NAFTA) , Barak Obama (TTIP, TPP) and now unless Trump wins...Hillary Clinton.
Sure RR got the ball rolling with a modest proposal to create a North American Union, but that is a far cry from what transpired.
The notion that "free trade" has been a net positive for the US is also statistical nonsense belied by the empty factories, loss of good paying jobs and crumbling infrastructure.