Can you name one person, one clinic you've actually shut down? or stopped paying? >> i can't. again, anderson, our focus is on rooting out this fraud in this program. >> i feel thad bad -- i appreciate you being on tonight. i know your boss didn't want to talk. i appreciate you being on. but you have one talking point. and you continue to say it. in fact, the fact that you answer every time by saying again just verifies that you're giving the same answer over and over again. >> as you can see, not a lot of answers from that interview. today as i said the next step, lawmakers demanding answers....