We'll always have Paris...
You would think the French would know the warning signs of impending societal implosion and
As we know
There are known knowns
There are things we know we know.
We also know
There are known unknowns
That is to say,
We know there are some things
We do not know.
But there are also unknown unknowns,
The ones we don't know
We don't know.
-Donald Rumsfeld, Department of Defense briefing, Feb. 12, 2002