I'd wager it would be more like 30% if the RINOs weren't disgusting back-stabbing saboteurs only interested in profit for their globalist paymasters.
20% are commies
15% are blacks
= 35% floor that it’s nearly impossible for a black democrat to go below.
Basically he has lost nearly everyone he can lose.
Speaking of RINOS...Winthrop Poll: SC Gov. Haley up slightly, US Sen. Graham falls again
Read more here: http://www.thestate.com/2013/10/30/3066211/october-winthrop-poll-released.html#storylink=cpy