Good day. this is andrea mitchell reports in washington, where president biden will be delivering his first speech on the chaotic afghanistan evacuation since monday when he defended the u.s. withdrawal and blamed the afghan army and government for the taliban s rapid takeover. this morning mr. biden has been meeting with his national security cabinet amidst tough questions about the state department s role after a cable revealed u.s. diplomats in kabul had warned in july about the taliban s rapid advance. the state department issuing a warning about the dangers of getting to the kabul airport and still has no way to get them there. despite assurances from the national security adviser to lester holt on nightly news . i just want to be clear. are you saying that any american in afghanistan right now who wants to leave, that their government will not leave them behind? we will get any american who wants to get to the airport and who we get in contact with who