[img]http://d.yimg.com/a/p/ap/20100226/capt.c54ebc58032d45b1a47e2cb2f6cb1342.pelosi_dcmc111.jpg?x=130&y=86&q=85&sig=XcDG5nQ4japKUlIJIcFSZQ--[/img]AP - Democrats pushed hard to revive President Barack Obama's stalled health care overhaul on Friday — and pointed to glimmers of hope — but the long odds facing them seemed little changed after Obama's extraordinary summit with both parties' leaders.