Hygiene Side News Today

His name is christopher ely, former footman of buckingham palace. here we call that a butler. a footman, what is that? >> jack of all trades, master of them all. >> reporter: now hes teaching his trade at the french culinary school of estate management studies in new york. why ultimately should people know what it is you have to teach? >> on one hand you have allergies and hygiene side and the other side is why not go to bed somewhere thats nice to sleep? >> reporter: so, what are the secrets of...