harbor terrorist organizations such as al-qaida or isis. this falls on president biden, particularly if we're attacked again in similar fashion that we saw on 9/11, instead of the 20th anniversary of 9/11, we will see celebrations in kabul and death to america. >> we have al-qaida insurgents, prisoners free from bagram. you have aircraft not being able to fly out of kabul. >> you have to wonder how that feels what joe just said about what those images will feel like to people who served overseas in afghanistan. >> we're going to get a little taste of that because we have gold star parents coming up later this hour so we'll talk to them. >> it is 21 minutes after the hour, dr. anthony fauci questioning the science, dismissing a study that says the moderna vaccine is more effective against the delta variant. >> dr. marty makary helps us clear up some of the confusion. he is coming up next.