Former U.S. Sen. Adlai Stevenson III dead from dementia

CHICAGO — Former U.S. Sen. Adlai Stevenson III of Illinois has died at his home on Chicago’s North Side. He was 90.

His son Adlai Stevenson IV, who confirmed the Illinois Democrat died on Monday, said his father had dementia.

Before his health declined, Stevenson kept active, organizing presentations and speakers for the Adlai Stevenson Center on Democracy in Libertyville, Ill. He also worked on the family farm in Hanover, Ill.