Problem: After the release of various news stories about the President's possible violations of political funding laws, a grand jury investigation and a Senate subcommittee investigation were initiated. The Senate subcommittee subpoenaed documents and records from several top officers of the executive branch. Learning of the subpoenas, the President ordered all executive officials to refuse to turn over materials, claiming "executive privilege." Which of the following statements is most accurate? Group of answer choices The subpoena violates the constitutional principle of separation of powers. The President's executive privilege is absolute, except in cases of impeachment. The presidential papers are presumptively privileged, but the privilege must yield to demonstrated specific need for evidence in a pending legislative proceeding. The President's executive privilege applies to proceedings by Congress but not to proceedings by the courts.