Two tumultuous weeks saw the fall from power in Syria of the Kurdish-led force that was once the main U.S. partner there, as Washington shifts its backing to the country's nascent government.
Analysts say the Syrian Democratic Forces miscalculated, taking a hard stance in negotiations with the new leaders in Damascus on the assumption that if a military conflict erupted between them, Washington would support the SDF as it had for years when they battled the Islamic State group.
