If the world had listened to Trump in 2015, the coronavirus pandemic might have happened, but it would have been a lot less severe. I say this with absolutely no fear of error. President Trump become an enemy of the left for just one policy proposal: controlling national borders. Trump not only wanted to restore US border controls that were left to decay since the 1960s, he also encouraged other nations to treat their borders like the front doors of their homes. Which they are.