Reuters: Interior Secretary Ken Salazar said on Friday he cannot predict whether Royal Dutch Shell, which has invested $3.5 billion in an offshore Arctic oil-development program, will be allowed to drill the five wells it plans next year in Alaska’s Chukchi and Beaufort Seas. “We will be making that decision in the several months ahead,” he said at an Anchorage news conference, citing pending reports on offshore drilling safety and the results of an investigation into the Deepwater Horizon …