Former U.S. Sen. Frank Murkowski in 2001 gave a speech urging colleagues to approve oil drilling in America’s largest wildlife refuge. The Alaska Republican held up a blank sheet of paper to illustrate his point. The field of white, he said, was all you could see each winter on the coastal plain of the Arctic National Wildlife Refuge, implying that such a barren landscape would not be harmed by oil rigs. Sixteen years later, Murkowski’s daughter is trying again. U.S. Sen.