Having grown up and educated in West Virginia, I know white trash dog whistles.  The Donald knows them all.  Obama brought out the racism in my kin too.  Being "PC" is considered a four letter word in this backward part of the country, math just ain't a strong suit.  Education is and was shunned while Deer Hunting for Jesus is considered in. 
http://www.theonion.com/article/diehard-trump-voters-confirm-rest-nation-should-st-53585
I've given up.