On Tuesday afternoon, I found myself in the most unusual circumstances—sitting on a small plastic chair at a cramped table in the Metropolitan Detention Center, the federal prison on 29th Street in Sunset Park, in Deep Brooklyn. Outside, it was a gorgeous day, the sort of picturesque and slightly humid one that inevitably reminds longtime New Yorkers of the weather on the morning of September 11th. Inside the prison’s visiting room, however, there was no natural light, no sunshine, only the H...