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The great conservative bugaboo, Obamacare, is also far more moderate than its critics have claimed. The Congressional Budget Office has projected it will reduce the deficit, not increase it dramatically, as Bush’s unfunded Medicare Prescription Drug benefit did. It is based on the individual mandate, an idea pioneered by the archconservative Heritage Foundation, Newt Gingrich, and, of course, Mitt Romney, in the past. It does not have a public option; it gives a huge new client base to the drug and insurance companies; its health-insurance exchanges were also pioneered by the right. It’s to the right of the Clintons’ monstrosity in 1993, and remarkably similar to Nixon’s 1974 proposal. Its passage did not preempt recovery efforts; it followed them. It needs improvement in many ways, but the administration is open to further reform and has agreed to allow states to experiment in different ways to achieve the same result.
-Andrew Sullivan in his fantastic article

http://www.thedailybeast.com/newsweek/2012/01/15/andrew-sullivan-how-obama-s-long-game-will-outsmart-his-critics.html

Like Obama’s Race to the Top education initiative, it sets standards, grants incentives, and then allows individual states to experiment. 
Politifact recently noted that of 508 specific promises, a third had been fulfilled and only two have not had some action taken on them. To have done all this while simultaneously battling an economic hurricane makes Obama about as honest a follow-through artist as anyone can expect from a politician.