Donald Trump once promised to be “very restrained” on Twitter – “if I use it at all.” He thought campaign foreign policy adviser George Papadopoulos was an “excellent guy” – until Papadopoulos pleaded guilty to lying to the FBI. The president backed Republican Roy Moore in the special election for a U.S. Senate seat from Alabama. But after a Democrat won the seat, Trump said he knew the embattled GOP candidate couldn’t win.