As readers of this blog know, Professor Stephen Burbank (U. Penn.) and the two of us are beating each other about the head and shoulders in an online debate hosted by PENNumbra, the online supplement to the University of Pennsylvania Law Review.
We think that Twombly and Iqbal got it right; the good professor feels otherwise.
Our rebuttal essay is now available over at PENNumbra. Here's the obligatory link.