Historians say Trump upends norms of presidential behavior
Plenty of U.S. presidents have created commotion in their travels abroad, but none as much as President Donald Trump.
The president’s tumultuous trip across Europe, historians say, smashed the conventions of American leaders on the world stage.
Trump’s “America first” approach to foreign policy had him seeming to accept the word of a hostile power over his own intelligence agencies, insulting allies and sowing doubts about his commitment to the NATO alliance.
