New York Times: The Interior Department on Tuesday opened an urgent review of Arctic offshore drilling operations after a series of blunders and accidents involving Shell Oils drill ships and support equipment, culminating in the grounding of one of its drilling vessels last week off the coast of Alaska. Officials said the new assessment by federal regulators could halt or scale back Shells program to open Alaskas Arctic waters to oil exploration, a $4.5 billion effort that has been plagued by equipment failures,...