NEW : Barack Obama slams Democrats for `` lies '' and `` swift boat politics '' Iowa said Wednesday `` You can put lipstick on a pig , but it 's still a pig '' Palin camp says line was an attack on McCain ( CNN ) -- ; Obama camp says it was not . Many politicians have used the line ; former McCain adviser used it in her book title .
NEW : Barack Obama slams Democrats for `` lies '' and `` swift boat politics '' Iowa said Wednesday `` You can put lipstick on a pig , but it 's still a pig '' Palin camp says line was an attack on McCain ; Obama camp says it was not . Many politicians have used the line ; former McCain adviser used it in her book title .