The underlying divisions in the healthcare debate

Ed Kilgore has a very perceptive analysis in The New Republic about the underlying (and largely unexamined) ideological and strategic differences among progressives that are at least partially driving the rift over the health care bill.  He argues -- correctly -- that the current debate "displays a couple of pretty important potential fault lines within the American center-left" that have manifested in other disputes as well.  That was the principal point of this much-maligned Daily Kos...