U.S. President Donald Trump said Tuesday that a former campaign aide thrust into the centre of special counsel Robert Mueller's Russia probe "has already proven to be a liar." Did Trump's campaign know? 'Extremely limited' roleThe incident echoes elements of a June 2016 meeting involving Donald Trump Jr. and other campaign officials at Trump Tower. During a March 21, 2016, meeting with the Washington Post editorial board, Trump called Papadopoulos an "excellent guy." The two men then exchanged emails about a possible meeting between Trump campaign aides and Russian government officials.

Source: CBC News October 31, 2017 16:15 UTC