2: to take the place of by or as if by force : supplant
Mr. Keyes who was a former presidential candidate is saying basically that our president doesn't have a legal right to be in office let alone make any decisions that require his signature. Does Keyes have any validity to his comment? Read this article in World Net Daily and view the video below for yourself and see his argument because you won't see this in any of the major media outlets.
Keyes claim is reliant on the fact that Mr. Obama has never come forth with his birth certificate and proven his true origin of birth to give validity to his presidency.