Description You might say The Copley Press was big news in San Diego. The company has owned and operated The San Diego Union-Tribune since 1928 but is selling the paper to private investment group Platinum Equity. The paper is one of the nation's leading titles with a circulation of more than 300,000. In addition to its big city daily, Copley Press publishes Today's Local News, a free community paper serving areas surrounding San Diego and it runs Copley News Service, a news syndicate that distributes daily and weekly news. Copley Press was founded by publisher Colonel Ira Clifton Copley. His family, led by David Copley, continues to run the company.