By Peniel E. Joseph As a Black man, I found the US Senate race between Raphael Warnock and Herschel Walker a particularly painful one to watch, observe and analyze. The assumption that a Black football player whose celebrated symbolism in Georgia would be enough to split the Black vote thankfully went unrealized, but the reality that several White Georgians were willing to support Walker underscores the troubling questions ahead for a country mired in division and bracing for former President Donald Trump’s bid for his old office in 2024. I’m relieved that Warnock, who serves as pastor of Ebenezer Baptist Church in…