have borne the disproportionate burden of kids being home. the labor drop, labor participation dropped for women grew another 5%. so the costs are severe when kids are out of school across the economy and their learning and well-being. we know importantly that the risk from the virus has remained low, and that's been consistent throughout the entire pandemic. >> so here's something that i took away from the essay you published in the "times." it seeltz seems like in the first go-around, spring of 2020, all the concern was on the side of the ledger for physical health and we've learned so much since then now to factor in the mental health costs of all of this, the emotional tab that now has to be paid by young people, that's, frankly, incalculable. so many other things, racial inequality you pointed out. so now as we balance the priorities, things have shifted. that's where you're coming from. >> that's entirely right. let's not forget the best thing in this whole scenario is that we now have a safe and effective