President Trump said he's not worried about what information Michael Flynn could tell Special Counsel Bob Mueller because "what has been shown is no collusion, no collusion." He added: "There's been absolutely no collusion, so we're very happy."

Why now: Yesterday, Flynn pleaded guilty to making false statements to the FBI and it was reported that he was ready to testify against Trump — specifically regarding an incident in which Trump, as president-elect, instructed Flynn to contact the Russians.

Go deeper: How the Russia probe closed in on Flynn.