Trump may have just hit a 'watershed moment' that could end in a trade war

President Donald Trump has long preferred a more protectionist trade stance.
His administration began to move that way with new tariffs on Monday, and there is potential for more trade barriers in the coming weeks.
Trump and administration officials also talked up the idea of a protectionist US, with some caveats, during a trip to the World Economic Forum in Davos, Switzerland.President Donald Trump's pugilistic campaign style led the then-candidate to take aim at a slew of targets in the run up