In 2002, referring to Iraq and its relationship to terrorism, Donald Rumsfeld declared "that there are known knowns, there are things we know we know. We also know that there are known-unknowns, that is to say we know there are some things that we do not know, but there are also unknown-unknowns – the ones that we don't know we don't know."
Business Organizations Law | Law | Law and Economics | Tax Law
Michael J. Graetz,
The Known Unknowns of the Business Tax Reforms Proposed in the House Republican Blueprint,
Colum. J. Tax L.
Available at: https://scholarship.law.columbia.edu/faculty_scholarship/2240