Let’s start on the Republican side. Fully 87 percent of those who identify themselves as Republicans or Republican-leaners are white in 2012 Pew polling while just 5 percent are Hispanic and four percent are black. When it comes to the religious affiliations of GOPers and GOP leaners, the largest bloc are white evangelical Protestants who comprise roughly one in every three Republicans (34 percent). Here’s the full GOP religious affiliation chart via Pew: Now, for the Democrats. As expected, the party is more racially diverse. Sixty-one percent of Democrats and Democratic-leaners are white while 21 percent are black and 10...