Congressional staffers often travel on tabs of foreign governments

About a dozen congressional staffers flew business class on a trip to China last summer and stayed at luxury hotels while touring the Great Wall and the Forbidden City and receiving a “briefing on ancient artifacts and dynasties at the Shanghai Museum.

The all-expenses-paid visit came courtesy of China. The Chinese government hosted a day of meetings with officials in Beijing followed by eight days packed with outings to destinations often frequented by tourists along with a stop at a missile frigate and two others related to national security —...