NORWALK -- Members of the Moxley and Skakel families will enter the courthouse here this morning on their respective quests for justice in a murder mystery more than a quarter-century old. No one will walk away unscathed. Scores of cameras will be trained on them, as if they were celebrities entering the Academy Awards. The production that unfolds inside will be far from seamless. It has been 26½ years since the body of 15-year-old Martha Moxley was discovered under a tree in her yard, and two years since Kennedy cousin Michael Skakel was charged with the murder. The case features...