After spending all day declaring he will not cooperate with Robert Mueller, Sam Nunberg has had a change of heart -- probably motivated by his desire to not be imprisoned for defying a federal subpoena. Nunberg believes Trump knew about the June 2016 Trump Tower meeting with Trump's campaign staff, Donald Jr. and the Russians. Trump, of course, claims he did not know about the meeting. Yeah, sure, uh-huh.

Ex-Trump aide Sam Nunberg will likely cooperate with Mueller