seniors choice. it has insurers competing against each other for their business ch wet to harness the power of patient choice. >> those are fighting words to david certner. >> the money allocated is not going to be enough and it's going to be an even lesser amount over time. >> 47 million people are enrolled in medicare today. by 2040, medicare will cover nearly double the people it does now and cost three times as much. medicare, it would seem, is unsustainable. democrats are jumping on the change medicare band wagon. president obama plans to unveil his plan tonight with one difference from the gop, says his top adviser. >> seniors, the poor, the middle class in the congressional republican plan are asked to bear most of the burden. if you weren't giving enormous tax cuts to millionaires, you wouldn't have to do that.