Trump won’t go isolationist. He thinks globally because of his personal affairs even though they would have to go into blind trust. Later on complications of that for him.
http://www.newsmax.com/surveys/GOPDebate/Who-Won-the-GOP-Debate-/id/287/kw/default/?dkt_nbr=di9qhv31
His affairs would NOT have to go into a blind trust. The statutory law that specifies divestment of interest does not apply to the president.