Republican Fred Thompson's wife, Jeri, is caught between two images: blond, beautiful companion to her older husband and powerful, behind-the-scenes player in his would-be presidential campaign. Washington in recent days has been abuzz about the 40-year-old second wife of former Tennessee Sen. Thompson after she was pinpointed as playing a leading role in a shake-up in the Hollywood actor's campaign staff. Thompson publicly defended her after articles appeared in The Washington Post and Newsweek magazine. The Post called her a "driving and at times divisive force" within Thompson's nascent organization and Newsweek said supporters of the 6-foot-6 conservative former senator...