Matt says it was nothing more than a function of his inability to set his own lighting. But that is, if you'll excuse the term, an obvious incompetence dodge. Rather, the aesthetics of his latest BloggingHeads against Jon Chait clearly signals that Matt battles alongside the forces of light, while Jon has been dispatched, and lit, by Mephistopheles' hordes. Low blow, Matt, low blow.
"Get thee behind me Jon Chait!"