Yglesias notes that The Plan is just another version of Operation Forward Together. Still, he fails to note that after Operation Forward Together we had Operation Forward Together II, and inbetween we may have had Operation Together Forward.
Needless to say, all of those failed spectacularly. Why we didn't stick with the "clear, hold, and build" plan I do not know, as Joe Lieberman told me over a year ago that it was working.