Why Should You Not Give One morning, Philippe Petit decided to take a walk.  It was 1974.  He decided that he would like to walk from one of the newly constructed Twin Towers of the World Trade Center in New York to the other.  No big deal.  Except, he decided to do it 1,350 feet above the ground on a tightrope, without any safety net whatsoever.  And to make it even more insane, he walked from roof to roof without any permission whatsoever from anyone.  I strongly recommend that you watch the movie (The Walk, starring Joseph Gordon-Levitt) or the documentary (Man on Wire) to get a sense for what Petit did, because it is nothing short of terrifying.  See, there is something about keeping your balanced when you are a quarter of a mile above the ground that is really difficult (I tried to figure out how long it