Hear what Justice Roberts did behind the scenes before Trump immunity ruling

The Supreme Court’s toughest cases during Chief Justice John Roberts’ tenure have often generated internal suspense, with shifting votes, last-minute switches and the chief’s own push toward compromises that would lessen the appearance of politics. Not so this spring, when the six Republican-appointed conservatives established a far-reaching immunity from prosecution for former President Donald Trump. CNN’s Joan Biskupic reports. #CNN #News