[ jocelyn ] my name is jocelyn, and i'm a cancer survivor. [ mimi ] i had cancer. i have no evidence of disease now. [ erica ] i would love to meet the people that made the machines. i had such an amazing group of doctors and nurses, it would just make such a complete picture of why i'm sitting here today. ♪ [ herb ] from the moment we walked in the front door, just to see me -- not as a cancer patient, but as a person that had been helped by their work, i was just blown away. life's been good to me. i feel like one of the luckiest guys in the world. ♪ hi, everybody. coming up, no shortage of drama as voters hit the poll in arizona and michigan. will mitt romney prove to be the favorite son o is rick santorum the conservative alternative.