The South Carolina Democratic primary was today, a week after the GOP one. Sen. Clinton won big with the largely black Democrat electorate, besting Sanders almost 3 to 1. This outcome was mostly expected.
It is passing strange that the Democrats - who have a stranglehold on black votes and are popular with Hispanics and the young - have two old white folks vying for the nomination. Meanwhile, the Republicans, stigmatized as being a older white people's party, have still in the running two youngish Hispanics, one black, and two whites. There is something wrong with this picture.
It's possible a non-trivial number of Sanders' young (mostly white) supporters will end up voting for Trump after Clinton gets the nomination. This assumes she will not have been indicted before the convention.