and he sees how republicans on the hill have been loyal to him. but he knows that americans are fluid in the way they're going to think about this so he's trying to change that as best he can he. >> he's been very clear, president trump has been very clear about what he thinks of the whistle-blower and what should happen to the whistle-blower. he said in my time these people were treated basically like the rats that they were, using more organized crime lingo. and it's not just the president who's tweeted out his name. president's son has tweeted out the alleged whistle-blower's name a couple months ago. >> alexi mccammond, thank you. julia, thank you as well. still ahead on "morning joe," amid the battle over impeachment, former vice president joe biden walks back the comment about not cooperating with a congressional subpoena. you're watching "morning joe" and we'll be right back. watch and we'll be right back. ♪