WASHINGTON (Reuters) - The top Republican on the Senate Energy Committee said on Wednesday she would not back down in her drive to reverse a finding by the Interior Department that blocks construction of an emergency road for a remote Alaskan community. The fight threatens to hold up the White House's nomination of Sally Jewell as Interior Secretary. Senator Lisa Murkowski of Alaska said she would use "every tool in her tool box," including placing a hold on Jewell's nomination, if the department does not allow the road to be built. ...