By Dave Graham DAVOS, Switzerland, Jan 22 (Reuters) - President Donald Trump's use of tariffs as a foreign policy tool added fresh impetus in Davos this week to efforts to boost global trade beyond the U.

Returning to the U.S. from Davos, home to the World Economic Forum, Republican Sen. Lisa Murkowski of Alaska said the phrase she heard “over and over” was that “we are entering this new world order” as she described a sense of confusion among allies.

Keeping up with the rapidly evolving dynamics of geopolitics can feel exhausting these days. But for some university students majoring in politics, the constant twists and turns have come out of textbooks and turned into existential realities of the changing world they live in.