3 super tuesday is here. More delegates are up for grabs today than in any other day in the president ial nomination contest. The latest polls show donald trump and Hillary Clinton are leading in big states. As c b s news correspondent we juh weijia jang jiang shows us. The democrats have 865 delegates up for grabs. The g o p candidates are fighting for about 600 delegates. 3 chyrons pkg natson the eve of super tuesday, donald trump predicted a super tuesday victory during a rally in georgia. sot trump were going to win with our military, were going to win the republican president ial front runner leading both nationally and in several key states. Marco rubio has tried to halt the billionaires momentum. Hammering him for days. Most recently, for failing to immediately disavow former kkk leader david duke. Who announced his support for trump. sot rubio there is no room in the conservative movement for the kkk or david duke or anyone who will not condemn them. Nats track 3 texas senator