Jim Silver keeps a loaded shotgun in his Oxford, Miss., home. It is not for hunting; it is for protection. For 27 years Silver, a history professor at the University of Mississippi, has spoken out against the segregationist way of Mississippi life. The anonymous threats against him have been so numerous that he long ago lost count. He has been hauled before the Ole Miss board of trustees on Citizens Council charges ranging from practicing communism to insulting a Confederate general's memory. In Mississippi, his has been a lonely battle.
Last week, as he stepped down as president of the Southern...