Trump threatens to investigate Chris Christie days after FBI searched home of John Bolton

President Trump threatened to investigate former New Jersey Governor Chris Christie just days after the FBI searched the home of former National Security Adviser John Bolton. NBC News’ Ken Dilanian reports the latest details. New York Times Chief White House Correspondent Peter Baker, host of ‘The Bulwark’ podcast Tim Miller and former Sen. Heidi Heitkamp join Katy Tur to dig into Trump’s use of the FBI and DOJ.