Just one year ago, Megan Wallent's co-workers at Microsoft knew her as Michael. Then, in an e-mail sent to his entire staff, he announced that he no longer considered himself a male. The long-time executive, in charge of the Internet Explorer division for Microsoft, underwent major feminization surgery and legally changed his gender. Wallent's wife, like his co-workers, had no idea that this guy's guy was conflicted about his gender identity. ABC's Neal Karlinksy has the story from Seattle. Read more here and view a slideshow of the transition from Michael to Megan.