Donald Rumsfeld, who served as secretary of defence ... destruction - he gave a meandering answer about the concept of "known knowns" and "known unknowns" to much public mockery.

A Brightline train collision caused by a fire truck going around downed gates and a deadly neighbor dispute show why we ...

I found myself thinking of former Bush administration Secretary of Defense Donald Rumsfeld, who was a bit of a philosopher. “There are known knowns,” he said about the invasion of Iraq.