Q: I recently boarded a flight, and was surprised to see a big German Shepherd dog stretched out on the floor inside the first row of seats. By his harness ID information, I realized he was a service dog, resting between the bulkhead and his blind master’s feet. He looked very calm, as if flying for him was no big deal. I know service dogs are permitted to ride in the passenger area on U.S. flights, but what about other countries?

Q: As if we don’t have enough hassles getting through airport security, the government has just announced that behavior detection officers are now on the job? Will they carry rulers and rap us on the knuckles if we misbehave?

Q: I’ll be traveling in Europe this spring and I’m concerned about credit card identity theft. A friend had her card imprint stolen by a restaurant employee two months ago, and the next month she got a credit card bill for more than $5,750.