SINGAPORE (AP) — The top U.S. diplomat overseeing arms sales said Wednesday she sees keen interest in American weaponry in Asia, where China's military footprint and political influence are surging. Ambassador Tina Kaidanow was leading a large U.S. delegation to the Singapore Air Show, the largest in the region, and urging Southeast Asian governments to purchase U.S.-made arms like the F-35 fighter jet. Two F-35B fighter jets, belonging to the U.S.