president biden will address the nation in a few hours not on afghanistan but on boosters shots for americans next month. peter doocy is live with more on all of this. >> the white house is done convincing people to get a first or second shot. they are pushing a third shot for everybody starting next month. they said we have enough vaccine supply and you get a booster across the country. there are critics of the plan. concerns for boosters for americans will take away from inventory that could be donated. an official writes today: