Despite Pelosi's push to get health care legislation passed in the House, and the White House's confidence that it will get done by the year's end, senior Congressional Democrats have indicated that it is highly unlikely that a reform bill will be completed this year.
Senate Majority Leader Harry Reid, D-Nev., has yet to release the bill he eventually plans to bring to the Senate floor. Reid is still waiting for the Congressional Budget Office to come up with an estimated cost of several possible variations of his bill before deciding which one to introduce in the Senate.
Obama will meet with members of the House Democratic caucus tomorrow on the Hill to accelerate the momentum.
The Associated Press and ABC News' Jonathan Karl contributed to this report.