Political analyst Mark Halperin said Thursday that President-elect Donald Trump could build “unity” through persuading Democrats that they are mistaken on significant issues such as immigration. Trump recently tanked a bill to fund the government before endorsing another bill that would have lifted the debt ceiling until 2027, but… Mark Halperin Says Trump Could Create ‘Unity’ By Convincing Dems ‘They’re On The Wrong Side Of History’ On Key Issues