What next for al-Qaida after the killing of al-Zawahiri?

Senior international affairs correspondent Emma Graham-Harrison and Africa correspondent Jason Burke explore what the killing of al-Qaida leader Ayman al-Zawahiri will mean for the terrorist group and its future in Afghanistan. Help support our independent journalism at <a href="https://www.theguardian.com/infocus">theguardian.com/infocus</a>