Art and Iraq. We find out what it takes to keep art alive in the middle of a war zone with a visit to one of the only remaining art galleries in Baghdad. Jane Smiley sets her latest novel during the first days of the war — not in Iraq, but in Hollywood. A group of young soldiers sit for a portrait series by photographer Suzanne Opton. The war’s harsh realities get hashed out in a distant sector of the universe, in “Battlestar Galactica.” Plus, the strange popular reign of a YouTube princess: Lonelygirl15.