Chicago Tribune: The Los Angeles Times and U-T San Diego will soon share an owner, in a bet that they can usher in a new era of newspapering in Southern California built on geographic strength in numbers. Combining newspapers in adjacent regions has become the struggling industry’s business model du jour as print publications join forces to share stories, wield advertising clout and cut costs, rather than going it alone. “Smartly done, it makes a lot of sense,” said media analyst Ken Doctor, who cautioned that the experiment doesn’t always work.