Responding to host and caller questions, retired U.S. Army Gen. Wesley Clark, candidate for the 2004 Democratic presidential nomination, campaigning, recent attacks by rivals on his Democratic credentials, changing the structure of authority for Iraq reconstruction, U.S. policy in Chechnya, his plan to exempt from the income tax families making less than $50,000 per year; education and his opposition to the No Child Left Behind Act, the Kyoto Treaty, the International Criminal Court, his opposition to Don't Ask, Don't Tell, providing universal access to healthcare, renewable energy / clean air plans, preventing Muslim extremism, and his tenure at the School of the Americas.