Ann Romney 's dressage horse made its Olympic debut Thursday . Ann Romney began breeding horses to help lessen the effects of multiple sclerosis . A new petition by liberal group Reason pokes fun at the horse . Ann Romney began riding horses when she was diagnosed with multiple sclerosis in 1998 and has said the sport has helped lessen the symptoms of the inflammatory disease . Conservative commentator has suggested Olympic horse was a questionable political move .
Ann Romney 's dressage horse made its Olympic debut Thursday . Ann Romney began breeding horses to help lessen the effects of multiple sclerosis . A new petition by liberal group Reason pokes fun at the horse . Conservative commentator has suggested Olympic horse was a questionable political move .