[img]http://d.yimg.com/a/p/ap/20100303/capt.66b315711233494f9d357a4d69c2b3ab.obama_health_care_overhaul_dcab113.jpg?x=130&y=82&q=85&sig=qNOQwLGPmpkkIIKcDnAXQA--[/img]AP - The end game at hand, President Barack Obama took command Wednesday of one final attempt by Democrats to enact bitterly contested health care legislation, calling for an "up or down vote" within weeks under rules denying Republicans the ability to kill the bill with mere talk.