AMC is now promoting the heck out of returning cult series "Mad Men" with print, online and outdoor ads. While the first teaser ads featured just the iconic falling man and the words "March 25," the newest iteration is a puzzling "dreamlike image" of Don Draper and two nude mannequins bound to cause buzz, though series creator Matt Weiner assures us we'll understand it "by the end of the season," writes Stuart Elliott.