Bettie the beagle, a detector dog for U.S. Customs and Border Protection, picked up the scent of pork on a woman arriving from China at Chicago’s O’Hare International Airport. A ham sandwich in the purse of a passenger who had flown on a China Eastern Airlines flight from Shanghai was confiscated. The danger? That the food might be contaminated with African swine fever and spread the disease to the U.S. (Reuters)