Will Passing a "Signature Achievement" Help Democrats in the Polls?

With Obama's job approval ratings trending below 50%, and health care looking like it may settle into the 30's, Democrats are rallying moderates to health care reform with the following narrative:  sure, passing this may be unpopular, but failing to pass it will be even more unpopular!  The only problem is, Brendan Nyhan suggests that this isn't, like, true.

This article available online at:

http://www.theatlantic.com/business/archive/2009/11/will-passing-a-signature-achievement-help-democrats-in-the-polls/30853/