because the surgery is not inexpensive. it s not inexpensive, and it s not free of horrible side effects and potential complications. but the point is, the diabetes itself, when it s not controlled, can lead to loss of limbs, kidney problems, blindness, heart problems, even death. and people who are chronic type 2 diabetics who are out of control run up millions of dollars over the course of their lifetime in health care costs. so if you look at a cost versus benefit analysis, the surgery, even though it seems like a pretty brutal way to treat the disease, it can end up being very cost effective. do you have to be obese for this to be effective? most of the people are obese, but a lot of the candidates in this trial were not as obese as people have had to have been in the past to get weight-loss surgery. that s significant, too. bob bazell, thank you so much. appreciate you coming in. president obama is making light of those candid remarks he made to outgoing russian