Mark Warner Dodges on If There’s ‘Concrete Proof’ of Trump-Russia Collusion
TAPPER: "So still circumstantial. No actual concrete proof yet?"
WARNER: "I’m going to reserve my final judgment until we have all of these individuals in to see us. But there is never — there has never been, in modern American history, a political campaign that had this much outreach to a foreign government, and a foreign adversary, in this case, throughout the campaign, and throughout the transition."