The violation of civil liberties in the name of security has had a profound impact on those who came of age after 9/11

When Darrell Anderson, 22, joined the US military he knew there was going to be a war, and he wanted to fight it. "I thought I was going to free Iraqi people," he told me. "I thought I was going to do a good thing."

Until, that is, he realised precisely what he had to do. While on patrol in Baghdad, he thought: "What are we doing here? Are we looking for weapons of mass destruction? No. Are we helping the people? No, they hate us. What are we working towards, apart from just staying alive? If this was my neighbourhood and foreign soldiers were doing this then what would I be doing?" Within a few months, he says, "I was cocking my weapon at innocent civilians without any sympathy or humanity". While home on leave he realised he was not going to be able to lead a normal life if he went back. His mum drove him to Canada, where I met him in 2006 at a picnic for war resisters in Fort Erie.

Anderson's trajectory, from uncritical patriotism to conscious disaffection and finally to conscientious dissent, is a familiar one among a generation of Americans who came of political age after 9/11. Over time, efforts to balance the myth of American freedom on which they were raised, with the reality of American power that they have been called on to monitor or operate, causes a profound dislocation in their world view. Like a meat eater in an abattoir, they are forced to confront the brutality of the world they are implicated in and recoil at their role in it – occasionally in dramatic fashion.

READ MORE