It almost seems like a political tradition: the great John McCain campaign-staff shake-up. As the Arizona Republic's Dan Nowicki first reported Sunday, the top two staffers in McCain's Senate re-election effort — campaign manager Shiree Verdone and her deputy, Mike Hellon — have decamped. The two will work for the Arizona Republican Party, overseeing strategy for a "victory" fundraising effort for statewide candidates, including McCain. The move comes on the heels of a recent TV ad meant to tout McCain's border security credentials, including a push for a stronger fence along the U.S.-Mexico border. "Complete the danged fence," McCain says...