Red, White, and Blue, Senator Duckworth, Patriotism

Why do we drape ourselves and our homes in red, white, and blue for Independence Day? Then, US Senator Tammy Duckworth has a new memoir out about her life and military service. Also, how Americans have used the Constitution to justify their own vision of what America stands for. Additionally, on today's show: the truth about legendary frontiersman Daniel Boone; a psychologist shares that when you are helping you are truly happy.