There are only a few sure things we can count on in this crazy, ever-changing world: The moon's regal orbit around the earth. The gentle change of the seasons. And the fact that, on any given subway car, there will be at least one man with his legs spread across multiple seats. A problem as frustrating as it is mysterious, the man who takes up multiple seats on public transit with his splayed-out legs inspires all sorts of questions among his fellow riders: Is the leg-spreader exercising his male privilege, or, as some defenders would have you believe, merely attending...