US Defense Secretary James Mattis toured Bien Hoa Air Base outside Ho Chi Minh City, Vietnam, on Wednesday, once a US airfield during the Vietnam War, but now best known for being one of the hot spots where Agent Orange was sprayed, and to which the US has now returned, decades later, to help remediate. http://sputniknews.com/analysis/201810181068981624-US-Agent-Orange-Cleanup-Unfulfilled-Promises/