A psychologist who helped the CIA develop its torture program testified at Guantánamo this week about waterboarding a Saudi man at a secret CIA black site in Thailand. James Mitchell said the prisoner, Abd al-Rahim al-Nashiri, became so broken after the waterboarding sessions that he would voluntarily crawl into a small wooden confinement box. Al-Nashiri is accused of being the mastermind of the USS Cole bombing. He was first detained in 2002 and then held at 10 secret CIA sites over a four-year period before being transferred to Guantánamo.