animals set loose in ohio lead tog a night of terror that ended with many of them shot. i m wolf blitzer. you re in the situation room. captions by vitac www.vitac.com it s a whole different contest than it was only 24 hours ago and now, the fight for the republican presidential nomination includes a brutal, nasty battle between mitt romney and rick perry. the shift happened last night on television at the cnn western republican debate in las vegas and it did get seriously ugly. jim acosta has more. wolf, the cnn debate here in las vegas may have marked a turning point in the campaign. it was nasty, it was personal and it might be a sign of things to come. i m speaking. the newspaper it s time for you to tell the truth. you get 30 second. the way the rules work is that i get 60 seconds but the american people want the truth. it was a wild west shoot outand at times, it felt like perry s last stand with an urgent strategy to take down mitt romney. bec