MagHag Fall usually means heavy, whopping copies of the major ladymags. Last year, the September issue of Vogue had 725 pages of ads, reports the Wall Street Journal . This year? 674. The ad pages for Cosmopolitan and W are also down. Notes WSJ : "At prices that can climb to $120,000 for one full-page ad, every missing page hits the magazines hard." Says Valerie Salembier, publisher of Harper's Bazaar : "Everyone is facing 2009 cautiously. I'm nervous, and I think all magazine publishers in our field feel the same way, whether they admit it or not." Are we witnessing the end of an era? [WSJ ]