Giuliani explains new Trump strategy in Mueller probe

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Rudy Giuliani tells NBC News that if Special Counsel Robert Mueller wants to interview President Trump, Mueller would first have to prove that there is probable cause that Trump colluded with Russia or obstructed justice. MSNBC’s Richard Lui talks to NBC White House correspondent Geoff Bennett, MSNBC contributor Malcolm Nance, former federal prosecutor Glenn Kirschner and Reuters White House correspondent Jeff Mason.