"Do not forget that 'skill and integrity' are the keys to success." This was the last piece of advice on a list Will Thurmond gave his son Strom in 1923. The younger Thurmond would keep the words in mind throughout his long and colorful career as one of the South's last race-baiting demagogues and as a national power broker who, along with Barry Goldwater and Ronald Reagan, was a major figure in modern conservative politics. But as the historian...