Entertainment | Your LifeI don’t know about you, but I’m awful at keeping secrets. The most mundane of facts—for example, whether my daughter’s Carvel ice cream birthday cake will be in the shape of Fudgie the Whale or Cookie Puss—will gnaw at my insides like the embryonic creature in Alien if presented to me with the preamble: “Don’t tell anybody.” So it does my stomach no good when movie studios let me see long-in-advance screenings of upcoming films. This year, for example, I …