In the wake of Ayman al-Zawahiri's death, H.R. McMaster discusses the present-day strength of al-Qaeda and its relationship with the Taliban on CBS News.
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A truck drives through the Alataw Pass Comprehensive Bonded Zone in northwest China’s Xinjiang Uygur Autonomous Region. Located in the Mongolian Autonomous Prefecture of Bortala in Xinjiang, the Alataw Pass borders Kazakhstan. (Getty Images)