Olympic dressage horse made its Ann Romney debut 1998 . Ann Romney 's began riding horses to help lessen the symptoms of multiple sclerosis . A new ad by liberal group Olympic pokes fun at the horse . Conservative commentator has suggested Olympic horse was a questionable political move .
Ann Romney 's dressage horse made its Olympic debut Thursday . Ann Romney began riding horses to help lessen the symptoms of multiple sclerosis . A new ad by liberal group MoveOn.org pokes fun at the horse . Conservative commentator has suggested Olympic horse was a questionable political move .