North Korea is keeping vigilant eyes on the United States even after the leaders of the two nations held a historic meeting marked by friendly gestures at the inter-Korean truce village late last month.Kyodo News reporters traveled Tuesday to Panmunjeom, where U.S. President Donald Trump shook hands with leader Kim Jong Un and became the first sitting U.S. head of state to step into the North.As a reminder of the turbulent history between the two sides, showcased on the North Korean side of the village were many photos and documents condemning the past "invasion" by U.S. forces, two days be…READ FULL ARTICLE