This is our last show on PBS, and we have many people to thank for helping us during the 15 months that we have been invited into your homes. Our executive producer, Paul Friedman, and his talented crew, helped us to sharpen our thinking and made us look and sound better than we had a right to expect. Our sponsors, the Corporation for Public Broadcasting and Royal Dutch Shell, allowed us the freedom to speak our minds. I would especially like to thank the former chairman of the CPB, Ken Tomlinson, for defending the importance of balance and diversity on...