LONDON — A staid courtroom may seem a world away from the glamour of Tinseltown, but in many ways Britain's Leveson inquiry into media ethics was not unlike a Hollywood blockbuster. As with most modern movies, it had a riveting plot with startling revelations about the pervasive influence of Britain's press, and witness performances that ranged from tear-jerking to hilarious. As a momentous year for Britain's media draws to a close, here are some of the things we've learned.