A district court denied a motion to dismiss a challenge to President Trump's issuance of a permit authorizing a pipeline company to construct a cross-border segment of the Keystone XL oil pipeline. Environmental groups argued the permit's unilateral authorization of the pipeline conflicted with Cong...

A district court denied public interest groups' motion for partial summary judgment in challenging an executive order that requires federal agencies to repeal two existing rules for each new rule promulgated. The groups argued they had associational standing based on injuries that two of their membe...