AP
FILE--In this undated file photo provided by the U.S. Fish and Wildlife Service, caribou from the Porcupine Caribou Herd migrate onto the coastal plain of the Arctic National Wildlife Refuge in northeast Alaska. President Donald Trump says he didn't really care about opening Alaska's Arctic National Wildlife Refuge to oil drilling but pushed the issue for inclusion in the tax bill passed in December at the urging of others. (U.S. Fish and Wildlife Service via AP, file)