New York Times reporter Jennifer Steinhauer joins CBS News' Caitlin Huey-Burns to discuss her new book, "The Firsts: The Inside Story of the Women Reshaping Congress." Steinhauer shares what she learned as she followed along for the first year of the historic class of congresswomen elected in 2018. She explains why Democratic women fared better in their contests than Republicans and how the growing number of women is helping to reshape House rules.