(AP) -- Kristen Stewart issued a dramatic public apology for being unfaithful to her boyfriend, "Twilight" co-star Robert Pattinson, by having a fling -- "this momentary indiscretion" -- with her "Snow White and the Huntsman" director, Rupert Sanders. With her Wednesday statement, she joins a long list of high-profile people who have all felt the need to deliver a public mea culpa for mistakes.










