Presidential candidates always make a big deal of the advice they get from their wives. Ronald Reagan told voters that Nancy was his closest adviser; Bill Clinton said Hillary was so crucial to his team that electing him would be a "two-for-one" deal. On the trail, John Edwards and Barack Obama showcase their smart, outspoken spouses. Politicians seem to think it humanizes them—and increases their appeal to women voters—to come off as just a little henpecked. Fred Thompson has his own version of the shtick. Speaking at a fund-raiser last week, he introduced Jeri Kehn Thompson as "my campaign manager—oh,...