Kareem Fahim, The Post’s Middle East bureau chief, provides expert insights into the recent escalation of the Syrian civil war. He discusses the unexpected resurgence of Islamist rebels in Aleppo, challenging President Bashar al-Assad's long-standing control. The conversation highlights the implications for foreign powers like Russia and the U.S., as they navigate this shifting landscape. Fahim unpacks the complexities of the conflict, including the evolving role of the rebel group HTS and the potential impact on U.S. foreign policy.