primary, he may be running for john edward's old senate seat. he drove the press for the indictment, and after crossing swords with edwards, he steps down and says he's running as a republican for congress. it doesn't look great. andrew young, the government's star witness was contacting other witnesses in the case as recently as a few days ago. it's a very serious fact that's come out. the government can't be happy with it, particularly on the heals of the ted stevens case. >> it seems to me this guy, andrew young, i don't think much of him you can tell from the tape we showed. he pretended to be loyal to edwards when he was working against him. why is he being such a good government witness, is he safe from prosecution? >> yes, he has immunity and he