The practice or act of intentional and blatant avoidance, disregard or
disagreement with facts,
empirical evidence and well-founded arguments to forward a
hidden agenda.
This practice is most commonly found in the political ideologies of "Liberal" Amercian Politicians.
President Obama's clever use of
willful ignorance of the truth surrounding
illegal arms trade, cause him to urge the Senate to
ratify a treaty of registration of legally acquired firearms even though legally acquired guns have nothing to do with the illegal arms trade.