exploding cost of health care. the price tag for a single hospital admission can make your head spin. and we woundered about those eye-popping bills and how they break down. so "360's" md, sanjay gupta is here to show us. sanjay? >> you are absolutely right, jessica. first of all, most people do agree on that one issue that costs are really at the heart of this. if you can control costs, you can control a lot of other things. but really, you know, the individuals, when they go to the hospital, they get these bills. and i have been just collecting these bills and looking at them over the day. it is remarkable. you have -- someone goes into the er because he has an injured wrist, hurt his wrist, got a bill for $10,655. a woman named linda in illinois, she had twins via c-section, in the hospital for two days. jessica, $38,000. a lot of money, no question on these bills. and kind of leaves people scratching these heads. how do the bills get so high and what are we being charged for? decided to go straight into the