Reshaping the electorate Michael Barone (townhall.com/archive) Amid the Cabinet reshuffling, little attention has been paid to the appointment of Bush campaign manager Ken Mehlman as Republican National Committee chairman. But Mehlman's appointment could turn out to be as significant for our politics as Condoleezza Rice's is likely to be for foreign policy. If Karl Rove was the architect of George W. Bush's thumping re-election victory, Mehlman was the structural engineer who turned the plans into reality. Mehlman's great achieve- ment was to create a largely volunteer organization of 1.4 million people who turned out the vote in counties big and...