We all know that Love is a Battlefield and that Tina Turner is simply The Best. And if you're wondering how we know these things, it's because of the work of this week's guest, Holly Knight. Holly has written some of the best known songs of the 80s and 90s and she talks about her career in her new memoir, "I Am the Warrior." It's a look at her fascinating career and the lessons she's learned along the way. For more information, you can check out Holly's website.