WASHINGTON (Reuters) - Donald McGahn, the former White House counsel described in the Mueller report as repeatedly standing up to President Donald Trump, could become a star witness again if congressional Democrats get their way in their investigation of whether Trump used his office to obstruct justice.
Since the April 18 release of Special Counsel Robert Mueller's report on Russian interference in the 2016 election and any ties to Republican Trump's campaign, Democrats have seen McGahn as someone who could be as important as Mueller himself, according to a source familiar with the matter.