United States v. Stevens, 556 U.S. 1181 (U.S. Sup. Ct. 2010)

(federal government lacks the power to outlaw expressions of animal cruelty via videotape and other commercial media; 18 U.S.C. Sec. 48 is invalidated in the court's 8-1 decision (dissent by Alito); while law passed in attempt to stop interstate trafficking of "crush videos" that show the actual killing of cats, dogs and other similar animals, law "creates a criminal prohibition of alarming breadth and court would not uphold an unconstitutional law "merely because government promises to use the law responsibly).