Reporters' Roundtable All eyes are on South Carolina as Democratic presidential hopefuls court the black vote. The Bush administration goes on the defensive after a top U.S. weapons inspector steps down. U.N. Secretary-General Kofi Annan pushes to assess the future of elections in Iraq. And another ugly incident taints the New York Police Department. NPR's Tony Cox discusses these top news headlines with Joseph Perkins, columnist for The San Diego Union-Tribune, and Vanessa Williams of The Washington Post.