Afghanistan has fallen to the Taliban. The chaos in Kabul is now part of a worst-case scenario, one that ended with The Mujahideen inside The Presidential Palace in Kabul, chanting "death to America." Evacuation flights are now resuming following a temporary stop to clear and secure the airfield at Hamid Karzai International Airport as Afghans try to escape the country. CNN’s Nick Paton-Walsh reports from Kabul on this rapidly developing story.

As President Joe Biden prepares to address the Nation, former U.S. Defense Secretary Leon Panetta joins to discuss the Presidents’ recent comments on the Taliban’s take-over of Afghanistan not being inevitable, and how the intelligence community appear to have underestimated the speed at which the current situation in Afghanistan has escalated.

Pfizer has submitted data to the FDA showing that their vaccination booster dose works well against the original and delta strains of the coronavirus. CNN Medical Analyst Dr Leana Wen joins to discuss the facts on how much extra protection a booster shot gives those who have already been double vaccinated.

As U.S. General Mark Milley warns terror groups may rise up sooner than expected following the collapse of Afghanistan, Anthony Cordesman from the Center for Strategic and International Studies joins to give his perspective on the possible resurgence of Al Qaeda activity.

On tonight’s panel: CNN Chief Whitehouse Correspondent Kaitlin Collins, CNN National Security Correspondent Kylie Atwood, CNN Pentagon Correspondent Barbara Starr, CNN Global Affairs Analyst Susan Glasser, The Washington Post’s Olivia Knox and The Wall Street Journal’s Vivian Salama.

Hosted by John King.

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