Watch the WHCA-Reagan Foundation discussion of how the press and presidency have changed from Ronald Reagan to Donald Trump. Featuring Lou Cannon, who covered Reagan for the Washington Post; Margaret Talev, White House Correspondent for Bloomberg News and president of the WHCA; Jonathan Karl, White House Correspondent for ABC News and a member of the WHCA board; and John Woolley, presidential historian from UC-Santa Barbara. Live at 9 pm EDT, Thursday May 17.