with 0% containment. it leveled much of the town of grizzly flats. "early start" continues right now. good thiursday morning. almost 29 past the hour here in new york. and time for our top stories to keep an eye on. >> there is american citizens left, we'll stay until we get them all out. >> president biden vowing to keep troops in afghanistan until all americans who want to leave are out. he stopped short of making the same commitment to america's afghan partners however. the goal remains to be out by august 31. covid-19 booster shots will be available for all americans beginning september 20th pending a green light from the fda and cdc. head of the world health organization opposes the plan saying it is critical to get initial vaccines to those who are vulnerable first. president biden is ordering education secretary to ramp up pressure on governors that have been bullying school officials