Microsoft stepped up the digital battle for home computer networking with Apple Computer Sunday when Bill Gates announced at the Consumer Electronics show that Windows Home Server software will be available during the second half of 2007. Gates said the new software will perform as the center of a home's computer network, from photo and video storage to television to accessing computer files when away from home. The announcement sets up another battle for the sofware consumer with Apple. It's anticipated Apple will provide details of its iTV set-top box at MacWorld in San Francisco on Tuesday. The two...