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mckakayla maroneney to get your f frisbee offff the ro?getet it. ♪ (upbeatat music) ♪ ♪ ♪ whoa. herere you go. (in n unison) ththank you mcmc! dude, geget it. i'm not gegetting it, , you ge. you threrew it. it's youour frisbee.e. gegeico. switctch today anane all the e ways you c could s. ♪it's, oh, so quiet♪ ♪shhhh shhhh♪ ♪it's, oh, so still♪ ♪shhhh shhhh♪ ♪and so peaceful until...♪ ♪you blow a fuse♪ ♪zing boom♪ ♪the devil cuts loose. zing boom♪ ♪so what's the use. wow bam♪ ♪of falling in love?♪ >> dickerson: and we turn to former f.d.a. commissioner dr. scott gottlieb. he is also on the board of pfizer and has a new book coming out called "uncontrolled spread: why covid-19 crushed us and how we can defeat the next pandemic." he joins us from westport, connecticut. good morning. >> good morning. >> dickerson: let's start with the delta variant, as liz palmer mentioned. it is causing a lot of problems in the united kingdom. the variant started in india, and now it is spreading across the world. what should we think about that in the united