The US presence in eastern Syria is “an entirely different issue” from April’s chemical attack in Douma, Andrew Tabler says. “It is focused on defeating ISIS, and President Trump does not want a long-term commitment there in terms of troops.”

Watch the senior fellow at the Washington Institute for Near East Policy discuss the April, 2018 chemical attack in Syria. He was an ICWA fellow in 2005-2007 in Syria and Lebanon.