We’ve been watching National Geographic’s Emmy-nominated series, “Brain Games.” With interactive games and hidden cameras, this show reveals how brains process information related to topics like stress, addiction, competition, food, trust and language. And, of course, memory. One episode on memory, “Remember This,” starts out by stating that memory is faulty. Almost immediately, we become witnesses to—along with about 20 other unsuspecting participants in the film—a mugging i