One of my readers has persuaded me to share the embarrassing incidents I endured while traveling. I didn't write about them at the time because they were, well, embarrassing! But with the passage of days, the sting has faded so here goes: The Tour Guide Incident This one occurred at Vatican City when I was exiting the Sistine Chapel. My out-of-date Rick Steves guide book mentioned a door at the rear right of the chapel and said that if you go through that door, it will save you a lot of walking. The door has a sign on it that says it is only for tour groups but, Rick assured me, it is OK for individuals to pass through too. Well, when I found the door, I discovered a guard standing in front of it, and I did not have the moxie to push past him citing authority from Rick Steves. Instead, I decided to wait until a tour group assembled and then I'd walk through with them as if I were part of the group. This strategy worked beautifully, but only for a nanosecond. On the other...