DEBATING THE MIDDLE. If you haven't yet, check out Dean Baker and Ruy Teixeira's contributions to the Rose-Mishel debate on the middle class. (There will be more next week.) Meanwhile, Jon Cohn has a piece today disputing Rose's take on health care. And for all of you who can't get enough of this stuff, it so happens that The Democratic Strategist has been hosting a very similar roundtable that's highly worth reading.