Support WBUR20 years ago, the U.S. warned of Iraq's alleged 'weapons of mass destruction'Play03:54Download AudioJack MitchellFebruary 03, 2023 ShareThen-U.S. Secretary of State Colin Powell holds up a vial that he said was the size that could be used to hold anthrax as he addresses the United Nations Security Council in February 2003 at the U.N. in New York. (AFP via Getty Images)