This is what's fueling Donald Trump's recent surge in the polls

Joe Raedle/Getty Images Multiple factors appear to be behind Donald Trump's surge in recent national polls, pulling the presumptive Republican presidential nominee into a dead heat with Democratic frontrunner Hillary Clinton. The Manhattan billionaire on Monday overtook Clinton in the RealClearPolitics polling average for the first time. Trump led Clinton by a fifth of a percentage point in what is the gold standard of polling averages. According to the surveys that have shown him narrowing the ...