A federal appellate court has ruled that Louisiana's law requiring the Ten Commandments to be posted in public school classrooms is unconstitutional, emphasizing the importance of separation of church and state. The decision challenges similar laws in other states and is likely to be appealed further, potentially reaching the U.S. Supreme Court for a definitive ruling on religion's role in public education.

Ask five random people to name one Alfred Hitchcock movie, and chances are good they’ll all say Psycho first, whether they’re classic-movie superfans who could name all his works going back to the British silent-movie days, or they couldn’t pick Hitch out of a crowd in one of his famous dir...