Hayden Panettier joins Tamron for a candid sit-down about her new memoir, "This Is Me: A Reckoning," telling her story of growing up as a child star and how she overcame years of sexual exploitation, domestic abuse and a battle with postpartum depression that cost her her daughter. Then, Emmy Award®?winning CNN journalist Sara Sidner shares how her Stage 3 breast cancer diagnosis forced a personal reckoning she now calls a gift.