If Trump were to implement his threat, he would, in essence, be Vladimir Putin's partner in crime in a war of aggression that violates international law.
From President Trump’s standpoint, a decline in the World Cup’s popularity due to Ronaldo’s absence would not be pleasant, and the same would be true for FIFA's.
The U.S. must decide what type of foreign policy it wants to pursue: one based on the humanism of Abraham Lincoln or one based on the arrogance of those who want it to be the world’s policeman.