:But chalking them up as a lost cause, without making any effort, is unwise, imo. When he announced in Lynchburg, he specifically mentioned the millions of evangelical Christians who failed to vote in 2008 and 2012. There must be some black voters among those millions.:
If I recollect correctly - 2008 and 2012 had a very large Black voter turnout.
Identifying with your own kind is/was more important than rational thinking and overcame any religious affiliation.
Identifying with your own king is a VERY strong emotional motivator - Family, tribe, nation
Black voter turnout actually surpassed white voter turnout in 2012.
"A census first: Black voter turnout passes whites"
Unfortunately there are an increasing number of white (and Hispanic, and Asian) voters who believe that they are going to get screwed no matter which party wins.