March 24, 2012 10:05 PM

‘Mad Men’ is back, and times have changed

After more than a year off the air, “Mad Men” returns Sunday with a two-hour episode. When you’re as secretive as series creator Matthew Weiner, even the year in which events resume is a spoiler. But it doesn’t matter when exactly the show picks back up — pretty much everyone in “Mad Men” is reeling from the shock of the recent past.

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