The Biden administration is preparing for the fall of Kabul and a retreat from any U.S. diplomatic presence in Afghanistan — a stunning reversal of expectations. Between the lines: Biden is at Camp David this weekend, not at his Delaware beach house. A senior State Department official told Axios: "The Embassy remains open and we plan to continue our diplomatic work in Afghanistan." The administration official said the situation on the ground is changing so rapidly that senior officials are taking it day by day. But this reflected the thinking at the top levels of the Biden administration as of Friday night.