In this Nov. 10, 2016, photo, President-elect Donald Trump, accompanied by his wife Melania, and Senate Majority Leader Mitch McConnell of Ky., gestures while walking on Capitol Hill in Washington. Washington’s new power trio consists of a bombastic billionaire, a telegenic policy wonk, and a taciturn political tactician. How well they can get along will help determine what gets done over the next four years, and whether the new president’s agenda founders or succeeds.
