<Li> Humphrey's Executor v. United States, 295 U.S. 602 (1935) </Li> <Li> Buckley v. Valeo, 424 U.S. 1 (1976) </Li> <Li> Morrison v. Olson, 487 U.S. 654 (1988) </Li> <Li> Freytag v. Commissioner of Internal Revenue, 501 U.S. 868 (1991) </Li>

Who is responsible for appointing ambassadors and supreme court judges