The CEO-in-waiting of the defense contractor who declined to issue WARN Act layoff notices on the urging of the Obama administration — sequestration-related notices mandated by law that would have gone out just before the election — has resigned, citing an affair. Christopher E. Kubasik, 51, today resigned from his role as vice chairman, president and chief operating officer (COO), effective immediately, Lockheed Martin announced. Kubasik was set to become CEO in January. He “resigned after an ethics investigation confirmed that he had a close personal relationship with a subordinate employee. His actions violated the company’s Code of Ethics and...