By Hugo Dixon

If anybody can provide a measure of legitimacy to the trials of detainees in Guantanamo Bay, Brigadier General Mark Martins may be that person. Barack Obama will certainly be hoping so. Martins, who was on the Harvard Law Review with the president when they were students, has this week taken over as chief prosecutor for military commissions at a time when the highest-profile Guantanamo detainees are coming to trial. The first death penalty moved a step closer last week when a trial was ordered for Abd al-Rahim al Nashiri, who allegedly planned the bombing of USS Cole in 2000. The case of Khalid Sheikh Mohammed (KSM), the alleged mastermind of the 9/11 attacks, is likely to follow shortly afterwards, in what some people are dubbing America’s Nuremberg trial.