Republicans are hoping to persuade Donald Trump supporters to embrace mail-in voting without raising the ex-president’s ire, and a source says they may have found a workaround. The former president believes mail-in voting is inherently fraudulent and has called for its abolishment, but sources told The Guardian that his own campaign knows that “banking” votes early is the most effective and efficient way to turn out their base – if they can overcome Trump’s fearmongering. “In essence, the Trump campaign has the delicate task of persuading Republican voters to participate in early voting method…