Presidential Historian Rick Collin said all the men who served in administrations were from western North Dakota. He said they were Ed Schafer, Thomas Kleppe and Warren Christopher.

Colin Powell died at age 84 on Monday. He spent much of his life in the military and served in the Reagan, George H.W. Bush and George W. Bush administrations.

Richard Revesz is changing the way the government calculates the cost and benefits of regulation, with far-reaching implications for climate change.

Former President Bush, on the passing of Colin Powell, calls the retired general and former secretary of state 'a great man' ...

Powell served as Bush's secretary of state for four years Admitted U.N. Iraq presentation was 'blot' on his legacy Outmaneuvered by Cheney, Rumsfeld in Bush administration Developed 'Powell ...