Trump blasts Bannon over book, says ex-aide ‘lost his mind’

President Donald Trump speaks with reporters as he arrives Sunday for a New Year’s Eve gala at his Mar-a-Lago resort with first lady Melania Trump and their son, Barron, in Palm Beach, Fla.

Steve Bannon, a former top adviser to President Donald Trump, arrives for the presidential inauguration Jan. 20, 2017, at the U.S. Capitol in Washington.

WASHINGTON — President Donald Trump launched a scathing attack on former top adviser Steve Bannon on Wednesday, responding to a new book that portrays Trump as an undisciplined man-child who didn’t actually want to win the White House and quotes Bannon as calling his son’s contact with a Russian lawyer “treasonous.”