LISBON — A shark. That’s how it all began seven years ago when Brazilian actor, director and playwright Marcelo Andrade came across an image on Instagram of a shark in the Mediterranean. For the latest news & views from every corner of the world, Worldcrunch Today is the only truly international newsletter. Sign up here. The migration crisis was very much in the news at the time, and Andrade couldn’t keep quiet about the drama that was (and still is) being played out on the high seas. He started writing a play. But he couldn’t finish it. He felt he lacked the personal experience to put himself…