A former governor on the Federal Reserve Board who suddenly stepped down from her role over the summer violated the bank’s trading rules, according to a report Saturday citing new disclosures from the U.S. Office of Government Ethics.  The documents relating to Adriana Kugler revealed multiple purchases and sales of shares in stocks such as Apple, Southwest Airlines and restaurant group Cava, and showed that many of the purchases and sales happened during a blackout period ahead of policy meetings when offi ...