How much does success in life depend on how good-looking you are? Do plain or dowdy or even downright ugly people get anything close to a level playing field when they’re grasping after jobs and money and notoriety alongside their better-looking competition? I think we all know the answer to that question, but just in case you’d feel better with some social science backing, labor economist Daniel Hamermesh covered the territory rather exhaustively in his 2011 book, Beauty Pays: Why Attractive People Are More Successful. In it, he reviews many decades of research to come up not only with estimates…