Al Pacino plays a cop who can't sleep, which gives the advantage to the killer (Robin Williams) he's chasing across the frozen tundra. Director Christopher Nolan follows Memento with another suspense triumph that brings out the best in Pacino and Williams.

I'd hoped that extras would illuminate the striking differences between the 1997 Norwegian version of Insomnia (Criterion) and this haunting remake. Instead, we get Pacino and Nolan blowing artsy smoke up each other's ass and interviews with…