Former Speaker of the House and longtime Trump supporter Newt Gingrich is seriously worried about the future of Donald Trump’s presidency. Gingrich, who has consistently been one of Trump’s most optimistic supporters, said Friday morning that Trump is more isolated than he realizes and needs to make “serious changes” if he’s going to have a stable presidency. “I think he’s in a position right now where he’s much more isolated than he realizes,” Gingrich said in an interview with Fox News’ Bill Hemmer. “On the Hill, he has far more people willing to sit to one side and not help...