He made an accusation that if true would be easy to prove but he offered nothing. He was not serious
As R-party chairmen his contributors want to know what good giving him campaign money did, so he comes up with this as an excuse.
He shamed the party doing this. A Great way to turn off minorities for future elections.
The blacks who were reported to have voted may have been Somalis who live up in Maine now. Ask tsowellfan:
http://www.freerepublic.com/focus/news/2959844/posts?page=91#91