Why do White Christians Vote Republican, and Black Christians Vote Democrat?

An overwhelming majority of WHITE Christians vote Republican. And an overwhelming majority of BLACK Christians vote Democrat. Why is that? Don't they read the same Bible and pray to the same God? Which group doesn't know they're voting for the wrong party?? Phil Vischer takes us on a fast-paced trip through history to figure out why different American Christians read the same Bible, pray to the same God, and vote very, very differently.