Democrats in new Congress: Thorns in Trump's side

US Democrats, who regain control of the House of Representatives on Thursday, have pledged to challenge Donald Trump on multiple fronts: from Congressional inquiries on Russian election meddling to battles over immigration and health care, as murmurs about impeachment proceedings persist.Congress will feature the largest number of progressive lawmakers in many years, and they appear to be in no mood to appease a president who is standing firm on his pursuit of funding for a wall on the southern