http://addictinginfo.org/2016/05/21/one-thing-changed-about-obama-this-year-and-it-should-terrify-republicans/
"Multiple factors probably account for the dramatic change, but the improving economy and the contrast between Donald Trump’s buffoonish style and Obama’s leadership have to be considered. Trump is definitely having an effect among Latino voters, where Obama is up even higher than the average – almost +15%."
