Washington is a government town, and most of its travel business is related to the many federal agencies here in one way or another. For those of us living in the nation’s capital, the most visible proof of that are big national events, such as a presidential inauguration, along with the numerous visits of foreign leaders that often result in street closures.

The travelers less visible to Washingtonians are U.S. officials traveling across the country and around the world on official business, which means spending taxpayers’ money. The Bush administration decided about six years ago to allow business class airfare for federal employees whose one-way journey lasts 14 hours or more…