Deadline reports that a major obstacle to getting the Mad Men deal done is that AMC wants to implement cost-saving tactics, including product placement and dropping a few cast members. Mark O. Estes follows up with thoughts, as does James Poniewozik.
Update: Brian Stelter confirms that we won't see Mad Men agaim until early 2012 and has Matthew Weiner's reaction. Weiner spoke more to Basket of Kisses. Also coverage from Deadline, Josef Adalian, Maureen Ryan, Tim Goodman, Alan Sepinwall, Jaime Weinman (and more Jaime Weinman), Sean O'Neal, and Brian Steinberg.