hillary clinton getting a rock star reception. a crowd of a thousand went wild as she arrived at a barnes & noble in manhattan for a book signing for hard choices. lu]xd some of her fans slept on the sidewalk to be among the first to meet her. in chicago today. now to a major setback for the iraqi government. militants in control of the city of mosul after a stunning swift takeover. iraqi soldiers provided almost no resistance. here s abc s martha raddatz. reporter: the sound of all-out war. explosions. gunfire, al qaeda flags flying. militants linked to the terror group moving freely throughout this city. mosul was once a focal point of america s tight to bring peace