Colin Powell, who shaped US national security, dies at 84

FILE - In this Dec. 16. 2000 file photo, President-elect Bush smiles as he introduces retired Gen. Colin Powell, left, as his nominee to be secretary of state during a ceremony in Crawford, Texas. Powell, former Joint Chiefs chairman and secretary of state, has died from COVID-19 complications. In an announcement on social media Monday, the family said Powell had been fully vaccinated. He was 84. (AP Photo/David J. Phillip)

Former Chairman of the Joint Chiefs of Staff Colin Powell greets delegates Monday night, July 31, 2000 at the Republican National Convention in Philadelphia. (Chuck Kennedy/TNS)

Colin L. Powell, who in four decades of public life served as the nation’s top soldier, diplomat and national security adviser, and whose speech at the United Nations in 2003 helped pave the way for the United States to go to war in Iraq, died on Monday. He was 84.