Oh, the day after Christmas. What’s the etiquette of returning gifts, and of everything post-Christmas? The expert answers your questions, and we promise not to reveal your identity. Plus, did you hit any local sights over the holidays? Amaze your friends with your knowledge about the La Brea Tar Pits, and Griffith Park—the gift of a rich man who shot his wife and then funded the Greek Theatre and the observatory to atone.