Now that he's uncovered two Simon & Schuster imprints competing for Karl Rove's memoir, Observer book man Leon Neyfakh has dug in and gotten a few more answers from his sources at Free Press and Threshold, and the reason Rove and his attorney, Robert Barnett, haven't picked a publisher yet is quite simple: It's hard to book meetings the week before Christmas. And, as per the suggestion I floated this morning, the agenda at those meetings is likely to be Rove's questions regarding the book's prommotion, along with scheduling and editing issues.