For months, the leadership of the Southern Baptist Convention has been debating whether to drop the word "Southern" from its name. But last week, citing the hassle and expense, leaders abandoned this attempt to scrub the racial overtones from the convention's image. As it turns out, the SBC is poised to do something much more significant. Meet the Rev. Fred Luter Jr., pastor of New Orleans's 4,500-member Franklin Avenue Baptist Church—and the man who this spring will likely become the first black president of the Southern Baptist Convention. He announced last month that he was putting himself in the running,...