With the Attorney General investigating the sinister network of prescription-dispensing Drs. Feelgood entrusted to her care, the Anna Nicole Clown Video: Criterion Collection made the blog rounds yesterday, ensuring sleepless nights for thousands haunted by the direful sounds of a nine-year-old girl baying, "Braaain trouble!" at the former Playboy model's unsuccessful attempts at burping a pineapple. The video only raised more questions: Who, for example, was the "Mark" that metteur en scène Howard K. Stern kept referring to throughout the shoot? Usmagazine.com has the answer: