By CALVIN WOODWARD, Associated Press

WASHINGTON (AP) — Dick Cheney, the hard-charging conservative who became one of the most powerful and polarizing vice presidents in U.S. history and a leading advocate for the invasion of Iraq, has died at age 84.

FILE – Defense Secretary Dick Cheney poses with some of the U.S. Army troops stationed in southern Iraq in this May 7, 1991 file photo. (AP Photo/Bill Haber, File)

FILE – Secretary of Defense Dick Cheney, left, and Chairman of the Joint Chiefs, Gen. Colin Powell, huddle prior to testifying before the Senate Armed Services Committee, Thursday, Feb. 21, 1991 on Capitol Hill in Washington. (AP Photo/John Duricka, file)

FILE – Defense Secretary Dick Cheney makes a point on Capitol Hill in Washington, Feb. 7, 1991, while appearing before the Se

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