MediaNews Group is adding the Web sites of its papers in the Bay Area to the Real Cities network, the Internet operation formerly associated with Knight Ridder and now owned by McClatchy, according to E&P and Business Journals. Here’s the press release. Some of MediaNews Group’s papers here, such as the Contra Costa Times and San Jose Mercury News, were previously owned by Knight Ridder, which had Real Cities network its Web sites. The Real Cities network will now include 1,500 papers including those owned by Chronicle owner Hearst Corp.