The US Supreme Court on Monday declined to take up an appeal by the Center for Biological Diversity, Animal Defense Legal Defense Fund and others challenging the constitutionality of the Department of Homeland Security’s waiver of federal, state and local laws in construction of a southern border wall. The Center for Biological Diversity challenged six waiver decisions, which waived more than 40 federal laws, in order to expedite the construction of 145 miles of border wall in Arizona, New Mexico, California and Texas. The petition claimed the waivers violate the separation of powers, the non-delegation doctrine and the Presentment Clause of the Constitution.
