Yesterday’s Journal ponders whether or not a black man can become president.

Meanwhile, Obama and Clinton spar over race in South Carolina, with third-place John Edwards taking the opportunity to wade in:

“I must say I was troubled recently to see a suggestion that real change came not through the Rev. Dr. Martin Luther King but through a Washington politician. I fundamentally disagree with that,” Edwards told more than 200 people gathered at a predominantly black Baptist church in Sumter, S.C.