1972Justice Lewis F. Powell Jr. was sworn in at the U.S. Supreme Court. Powell graduated from Washington and Lee Law School then Harvard Law School before serving in the Army Air Forces during World War II. He worked for a large law firm in Richmond, Va., before being appointed to the court by President Richard Nixon. He served until 1987, when he was succeeded by Justice Anthony M. Kennedy.1999The impeachment trial of President Bill Clinton began in the U.S. Senate. The House of Representatives charged Clinton with …