Reuters: A divided federal appeals court rejected an effort by environmental groups to void a U.S. agency's approval of two oil spill response plans by Royal Dutch Shell Plc related to the company's oil leases in the Beaufort and Chukchi seas on Alaska's Arctic coast. By a 2-1 vote, the 9th U.S. Circuit Court of Appeals on Thursday rejected a claim that the federal Bureau of Safety and Environmental Enforcement, which is part of the Department of the Interior, acted unlawfully in approving the plans, which...