By Joshua Behar
At a news briefing in 2002, then U.S. Secretary of Defense Donald Rumsfeld, famously broke down threats into three categories of “knowability”: “Known knowns,” are the threats we are fully aware of; “known unknowns,” are the things we know we don’t know; and finally, the “unknown unknowns” – those threats that we don’t even know we don’t know.
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