In my last post, I talked about the liberal pundits who see black voters as “Hillary’s Firewall.” Even if Sanders wins in states like Iowa and New Hampshire, which have large white populations, the pundits say he’ll find his support plummeting in a state like South Carolina, where black voters are firm Clinton supporters. I pointed out that in 2008, Clinton saw that firewall in South Carolina quickly melt after Obama’s victory in Iowa and his strong second-place finish in New Hampshire. I also pointed out that South Carolina representative Jim Clyburn, who is African American and one of the top Democrats in the House, was cautioning against the notion that black voters were solidly behind Clinton this time around. Turns out, he was right. […]