The premise to one of the best films of this year’s Tribeca Film Festival sounds more like an imaginative feature than a real-life documentary: When a group of anonymous online thieves steal highly coveted magic tricks, two illusionists travel the world and put their lives in danger to reveal their tactics and names. Imagine The Bourne Identity as directed by Penn and Teller and you’ll start to get a sense of Stealing Magic , an incredible, mysterious, sometimes absurd, sometimes deadly serious