To many critics, the murder of Dr. George Tiller, the eighth abortion provider to be killed since 1977, highlights the US government’s refusal to take seriously the threat of domestic right-wing, anti-abortion extremists. We speak to author and journalist Frederick Clarkson, who has written extensively on anti-abortion violence, and Chip Berlet, senior analyst at Political Research Associates and co–author of Right-Wing Populism in America: Too Close for Comfort. [includes rush transcript]