Whenever I travel, I make a list and meticulously check off each item as I pack. Before my last trip, though, I was so frantic that I lost the piece of paper.<br>As soon as I got to my hotel, I opened my suitcase only to find it had been searched by airport security. How could I tell? On top of my neatly refolded clothes was my list. Next to each item someone had made a crisp check mark. At the bottom was this note: \'\'You forgot the toothpaste.\'\'