News White House chief of staff Mick Mulvaney guarantees no one will lose coverage if Obamacare struck down March 31, 2019March 31, 2019William Cummings, USA TODAYComments Off on White House chief of staff Mick Mulvaney guarantees no one will lose coverage if Obamacare struck down Mick Mulvaney declared that "debate about pre-existing conditions is over" and promised no one would lose coverage if Obamacare is struck down.