Israel Demands for U.S. Base Are a Hitch in Trump’s Syria Plans

The American base at Al-Tanf, originally established as a southern foothold against Islamic State and a training ground for Syrian rebels, has become one of the main obstacles to the president’s plan to leave. Israeli and some U.S. officials argue that a continued American presence there is critical to interrupting Iran’s supply lines into Lebanon, where Hezbollah -- Iran’s proxy and Israel’s enemy -- has been building up its arsenal.