… Even as Mr. Trump has ticked up in national polls in recent weeks, senior Republicans say his path to the 270 Electoral College votes needed for election has remained narrow — and may have grown even more precarious. It now looks exceedingly difficult for him to assemble even the barest Electoral College majority without beating Hillary Clinton in a trifecta of the biggest swing states: Florida, Ohio and Pennsylvania.
President Obama won all three states in 2008 and 2012, and no Republican has won Pennsylvania in nearly three decades. CONT.
Alexander Burns & Maggie Haberman, New York Times