You have to give credit to Pelosi for holding her party together to vote on a bill that will likely mean the defeat of many of her party next year (and she knows it). And she did it by holding on to liberals and conservatives. She even did it at the expense of her on principles on abortion:

It was late Friday night and lawmakers were stalling for time. In a committee room, they yammered away, delaying a procedural vote on the historic health care legislation. Down one floor, in her office, House Speaker Nancy Pelosi desperately tried to deal with an issue that has bedeviled Democrats for more than a generation — abortion.
After hours of heated talks, the people she was trying to convince — some of her closest allies — burst angrily out of her office.
Her attempts at winning them over had failed, and Ms. Pelosi, the first woman speaker and an ardent defender of abortion rights, had no choice but to do the unthinkable. To save the health care bill she had to give in to abortion opponents in her party and allow them to propose tight restrictions barring any insurance plan that is purchased with government subsidies from covering abortions.

I suspect the reason the pro-abort lefties didn’t abandon the bill is that she promised them the amendment wouldn’t survive the conference committee. Let see if the pro-life Blue Dog Democrats will stand as strong if the final bill doesn’t contain the abortion funding restrictions. I hope they do for the sake of the unborn.
BTW, creds also to the pro-life Democrats who stayed strong and refused to vote unless they could offer an amendment that stopped the federal government from funding abortions. Pretty courageous of them standing up to Pelosi.