Trump Teases "AI Force," White House Bans CNN and More, America Gets Greenland Deal: AM Update 9/21

President Trump teases an "AI Force," runs a poll asking people to rename "Artificial Intelligence," and downplays the threat from the new technology. The White House bans CNN, MS NOW, and Politico, as the president teases more bans could be coming. America gets a Greenland deal after months of nego