supremacy

Pima County Attorney Barbara LaWall on behalf of herself and several other county attorneys and sheriffs, recently said a Arizona proposed immigration provision is an unconstitutional intrusion by the state into immigration policies, which are solely the purview of the Federal Government. This struck me kind of odd because in order to come under the purview of the Federal Government the authority must be found delegated or, incidental to a delegated power granted to Congress under the US Constitution. There is a…