BILLINGS, Mont. (AP) — Attorneys for the Trump administration said a federal judge has no authority to second-guess a presidential permit for the Keystone XL oil pipeline as they seek to stop a lawsuit that would block the project.

Justice Department attorneys are due in U.S. District Court in Montana on Wednesday to defend the administration's March approval of the 1,179-mile pipeline — a lightning rod in the debate over what to do about climate change.

The TransCanada proposal would transport Canadian crude oil through Montana and South Dakota to Nebraska, where it would connect with an exis...