Karen Grassle starred in one of the most beloved television shows of all time, Little House on the Prairie.  Karen played the role of Caroline Ingalls who was the wife of Charles Ingalls and mother of Mary, Laura, and Carrie Ingalls.  Karen Grassle talks to Chad Silveus about how she got the coveted role of "Ma" Ingalls, her relationship with Michael Landon, her childhood, the infamous bank robber John Dillinger, if there will ever be a Little House reboot, and more.