Yale Environment 360: The Obama Administration has vowed renewed commitments to help stem the international trade in wildlife, including the use of U.S. intelligence agencies to track poaching of elephants, rhinos, and other animals in Africa and Asia. Speaking to a group of conservationists and diplomatic leaders on Thursday, Secretary of State Hillary Clinton said an expanding middle class worldwide has spawned a booming demand for rare species and animal parts that is being supplied by increasingly violent organized…