Jimmy Fallon talks about his new children’s book and Dolly Parton duet

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Now in his eighth season of hosting “The Tonight Show,” Jimmy Fallon is also a best-selling children’s author with a new book, “5 More Sleeps ‘til Christmas,” out just in time for the holidays. Joining TODAY in the studio, Fallon also talks about the challenges of doing “Tonight” with pandemic precautions, his duet with Dolly Parton, and more.