For america to be. i think the way to move forward with schools this year is to make sure everyone feels safe. i think the thing we're not doing there, especially with the unvaccinated kids who can't get vaccinated, we're not utilizing rapid tests appropriately. if we used more rapid tests, we could know who is contagious at any time. that's what rapid tests do. herd immunity is ever elusive. herd safety, the idea that everyone who is out and about knows for a fact they're not contagious, we can know that with rapid testing. we can keep our schools open. >> i'm glad you mentioned this. this is...