Yahoo CEO adds motherhood to list of challenges Associated Press Copyright 2012 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Updated 3:32 p.m., Monday, October 1, 2012 SAN FRANCISCO (AP) — Yahoo CEO Marissa Mayer gave birth to a boy late Sunday, shining a spotlight on her ability to steer the struggling Internet company in a new direction while adjusting to the challenges of being a first-time mother. [...] it fell behind online search leader Google and online social networking leader Facebook Inc.