Taking a page from Ronald Reagan, Texas Gov. Rick Perry on Saturday sought to use humor to rebound from his much-noted debate flub earlier in the week. That flub, a 53-second brain freeze that was replayed endlessly on news shows, had him forgetting the name of the Department of Energy, the third federal agency he pledges to eliminate. So Perry was quick to cut off CBS’ Scott Pelley, one of the debate moderators in South Carolina, when he began a question, saying, “Governor Perry, you advocate the elimination of the Department of Energy. If you eliminate the Department of Energy...”...