He was the architect of Bill Clinton's efforts to make small issues add up to what some called the "incredible shrinking Presidency." He has been attacked by the left for being to pragmatic, by the right for being to partisan. He and the President have diverged on what should be the goals, aspirations and limits of the administration. Arguably, with so many enemies, on all sides, he must be doing something right? Rahm Emanuel is perhaps the most powerful chief of staff since Jim Baker served George H.W. Bush. Yet his future may rest completely on the results of health care legislation this week. N.Y. Times White House correspondent Peter Baker takes an inside look at "The Limits of RAHMISM" in his N.Y. Times Magazine cover story.