SAN ANTONIO, Tex. – AT&T Inc. (which was SBC until a 2005 re-brand) announced today it is merging with BellSouth Corp. The move "will create a more effective and efficient provider in the wireless, broadband, video, voice and data markets," says today's press release. The merger will streamline the ownership and operations of Cingular Wireless, which is jointly owned by AT&T and BellSouth. "The new company will be more innovative, nimble and efficient, providing benefits to customers by combining the Cingular, BellSouth and AT&T networks into a single fully integrated wireless and wireline Internet protocol network offering a full range...