Episode 110 - Donald Rumsfeld on What We know

Donald Rumsfeld served in the United States Navy, as a member of Congress and was twice the Secretary of Defense.  While not without his faults, in today's quote he gives us much to consider about we approach what we know and don't know.  Internalizing this lesson will shape the way we think about the world, the people in it, and how certain we really can be.