"Shoes?" "Yup." "Camera?" "Got it." "Flash drive?" "Shit. Thanks. Almost forgot it." I rushed to the desk drawer and grabbed the flash drive with my PowerPoint on it. My wife and I had a tradition of this checklist run-through every time I traveled for a conference. It was created out of necessity because I never had my head on straight and would invariably call from the destination whining about forgetting one important...