More bad news for Mad Men fans looking forward to season five of the Emmy-winning series: Negotiations between network AMC and show creator Matthew Weiner have fallen apart, according to reports from today, and the network announced that it's moving ahead with a fifth season anyway, though it's likely that it won't debut until 2012.

According to the reports, two points of contention are stalling the deals between the network and Weiner: AMC wants to shave several minutes off the air time of each episode in order to run more commercials, and, to help trim the budget, the network wants Weiner to cut two characters from the cast.

Since the series is moving ahead with or without Weiner, it's likely that AMC will get its way on those two stipulations. So which two characters should get the pink slip? Here are the cases that some of Mad Men's devoted followers are making:

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