A Columbia grad student, Arun Wiita, and the New York Civil Liberties Union brought a lawsuit against the NYPD last Thursday. Over the summer, Wiita was photographing a subway station entrance and its surroundings at 207th Street and 10th Avenue as part of an ambitious 10-day photography project. He was detained by police, handcuffed and held for 30 minutes; now Wiita is "seeking compensatory damages and reimbursement of legal fees." He believes that his South......