'Sin City: A Dame to Kill For' trailer brings back gritty graphic-novel violence

It's nearly time to head back to Sin City. It's been almost a decade since directors Frank Miller and Robert Rodriguez first brought moviegoers to its black-and-white, noirish world, and after some delay and a long production, we're finally getting a look at its sequel, Sin City: A Dame to Kill For, with a first trailer. The movie has been in the works since not long after the original's release, and it's based on a pair of stories by Miller, just as the original was based on his graphic novels....