It’s in the air. You can catch a whiff from the U.S. presidential race as it gears up for the 2016 election. But it’s not just a political fragrance. No, it’s a pungently familiar smell that permeates all aspects of our lives. You produced some yourself in your last job interview. And, yes, that advertisement for penis enlargement supplements is an exemplar. “What’s that scent?” you ask. It’s bullshit.