The new poll finds the two major party candidates provoke large gaps by gender, age, race, education and partisanship. Among those likely to turn out in the fall, both candidates have secured about the same share of their own partisans (92% of Democrats back Clinton, 90% of Republicans are behind Trump) but independents give Trump an edge, 49% say they'd vote for him while just 29% of independent voters back Clinton. Another 16% back Johnson, 6% Stein.