The first time I heard the rumor, I thought it was a joke. Haley Barbour for president? I never quite understood how he rose to become chairman of the Republican Party. But president of the United States? Where are America's leaders? Where are they hiding? Why are endlessly recycling the same old political retreads? Ever since getting elected governor of Mississippi, sources close to Barbour say, he's been thinking about the possibility of going for the big prize. I guess it's natural and understandable. As chairman of the GOP, Barbour was in the limelight, constantly on television and getting a...