John Cook, editor at Gawker.com, discusses his article “How the FBI Monitored Crusty Punks, ‘Anarchist Hangouts,’ and an Organic Farmers’ Market Under the Guise of Combating Terrorism;” the Bush administration’s obsession with animal-rights and environmental activists, who were the primary focus of post-9/11 domestic terrorism policy; how the FBI quickly expanded their “Seizing Thunder” operation beyond federal criminal investigations, devoting resources to staking out farmers’ markets and...