Three dozen moderate Democrats are warning Speaker Nancy Pelosi (D-Calif.) and Majority Leader Steny Hoyer (D-Md.) that they must show that their health care bill will cut long-term costs or they will vote it down.

?CBO Director Douglas Elmendorf has already indicated that the bill being considered by the House does nothing to rein in the cost of health care, and therefore may not be sustainable outside the ten-year budget window,? the Members say in the letter. ?We will be unable to support any health care legislation that doesn?t meet the president?s goals of driving down and holding down the cost of health care, as determined by CBO.?