American support for a pair of diplomatic initiatives in Syria underscores the shifting views of how to end the civil war there and the West’s quiet retreat from its demand that the country’s president, Bashar al-Assad, step down immediately.
The Obama administration maintains that a lasting political solution requires Mr. Assad’s exit. But facing military stalemate, well-armed jihadists and the world’s worst humanitarian crisis, the United States is going along with international diplomatic efforts that could lead to more gradual change in Syria.