Kate McKinnon cracks up Kelly Clarkson with stories about ‘Barbie,’ Badass Mom, and r4eptiles

Kate McKinnon explains how being a “weird little science nerd” with a menagerie of unusual animals inspired her new kids’ book “The Millicent Quibb School of Etiquette for Young Ladies of Mad Science,” which also features a special dedication to her “badass” mom. Kate and Kelly bond over their love of farming, and Kate shares more hilarious stories from the “Barbie” movie, her 10 years at “SNL,” and the consequences of letting her childhood pet iguana roam free.