RICHMOND, Va. — A University of Virginia associate dean sued Rolling Stone magazine on Tuesday for more than $7.5 million, saying a debunked and retracted account of an alleged gang rape on campus cast her as the “chief villain.”... A report published by the Columbia Graduate School of Journalism said Rolling Stone failed at virtually every step of the process, from the reporting by Sabrina Rubin Erdely to an editing process that included high-ranking staffers.... No one at Rolling Stone was fired or disciplined as a result of the article, titled “A Rape on Campus.” Rolling Stone Managing Editor Will...