Guests: Mary L. G. Theroux and Mardi Billman

Host Scot Bertram talks with Mary L. G. Theroux, chairman and chief executive officer at the Independent Institute, about working toward practical solutions to the homelessness crisis and her book, Beyond Homeless: Good Intentions, Bad Outcomes, Transformative Solutions. And Mardi Billman, associate professor of chemistry at Hillsdale College, returns for another series on drama in scientific discovery. This week, she concludes a discussion on fire and how combustion works.