Mike Gravel, Former US Senator for Alaska, Dies at 91

Democratic presidential hopeful and former Alaska Sen. Mike Gravel speaks at the "Take Back America" political conference in Washington, on June 19, 2007. Charles Dharapak/File/AP Photo

SEASIDE, Calif.—Mike Gravel, a former U.S. senator from Alaska who read the Pentagon Papers into the Congressional Record, has died. He was 91.

Gravel, who represented Alaska as a Democrat in the Senate from 1969 to 1981, died Saturday, according to his daughter, Lynne Mosier. Gravel had been living in Seaside, California, and was in failing health, said Theodore W. Johnson, a former aide.