trends are. you've mentioned lambda. something that was detected in peru. this is something we need to keep an eye on. it's a variant of interest meaning it has potential impact to you know, more transmissibility, severity of illness. so certainly these are number of variants of interest that we're going to continue to keep our eye on. it's going to continue to happen as more spread continues across the world. >> it's the wild part about all of this is get vaccinated. not just because it keeps everybody safe around you, but also because it snuffs this out before more variants develop. your expertise is extraordinarily welcome, as always. thank you for your time. up next, september 11th families call on president biden to be their hero. find out what they're demanding weeks before the 20th anniversary of those attacks. frank is a fan of fast. he's a fast talker. a fast walker. thanks, gary. and for unexpected heartburn...