Trump to address core conservatives after rough week

President Donald Trump prepared Saturday to address a conference of right-wing activists, capping a turbulent week that included a failed summit with North Korea and explosive testimony by his former lawyer branding him a criminal.The White House has not previewed the themes of the president's speech at the National Harbor near Washington, his third in front of the Conservative Political Action Conference (CPAC) since he was elected.Commentators were expecting him to play to his base, however, o