Exclusive: It's a sad day for the smart and sassy suburban women on Wisteria Lane and the worldwide audience of approximately 120 million who watch them. We've just learned that ABC will announce on Sunday at the Television Critics Association's press tour that this 2011-2012 season will be the last for long-running Desperate Housewives. Key castmembers are starting to be told, and we hear that Teri Hatcher, Felicity Huffman, Marcia Cross, and Eva Longoria are shocked and saddened since the ABC Studios series created by Marc Cherry was expected to continue until 2013 after the longtime showrunner had said that he wanted the show to go for 9 seasons. ABC also contracted with the show's four stars for the next season after lengthy salary negotiations with the quartet this past season. In addition to signing them for this coming season, ABC also got options on them for Season 9. But when this season's premiere episode is broadcast on Sunday,...