Democrat voters surveyed by Reuters fear that impeaching President Trump over the Biden-Ukraine scandal will backfire, giving him a boost into the 2020 US election. In short, Congressional Democrats looking to impeach have major credibility issues after the Mueller report failed to show that Trump 'colluded' with Russia, and a transcript of his call with Ukrainian President Volodymyr Zelensky failed to show Trump strongarming him into investigating former Vice President Joe Biden and his coke addict son.