Travel

Donald Trump, posing with a golden shovel marked with his brand name, broke ground last week on what will be a new addition to his hotel chain: renovation of the hulking Old Post Office building in Washington, D.C.

Question: My husband and I recently returned from an overseas trip. We flew from Naples, Italy, to Vancouver, Canada, before our last leg to LAX. After we cleared security in Naples, we did some shopping in the duty-free store, where we bought two bottles of Italian olive oil. At checkout,...