Chief of U.S. Olympic Committee Quits Amid a Furor Over Ethics By RICHARD SANDOMIR [L] loyd Ward resigned yesterday as the chief executive officer of the United States Olympic Committee, two Olympic officials said. The resignation ended a two-month siege in which he resisted stepping down, despite having been punished for violating the organization's ethics code and criticized for his management record. One of the officials said that Ward cleaned out his office Friday night. Mr. Ward's resignation came less than a day after two United States senators, Ben Nighthorse Campbell, Republican of Colorado, and Ted Stevens, Republican of Alaska,...