This is a big win, folks:
The decision, by Judge Brian Morris of the United States District Court of the District of Montana, does not reinstate President Barack Obama’s 2016 freeze on new coal mining leases on public lands. That policy was part of an effort by the Obama administration to curtail the burning of coal, a major producer of greenhouse gases contributing to climate change.
But the court ruling does say that the 2017 Trump administration policy, enacted by former Interior Secretary Ryan Zinke, to overturn Mr. Obama’s coal mining ban did not include adequate studies of the environmental effects of the mining, as required by the National Environmental Policy Act of 1970, or NEPA, one of the nation’s bedrock environmental laws. “Federal Defendants’ decision not to initiate the NEPA process proves arbitrary and capricious,” Judge Morris wrote.
Bolding mine, because that is the most succinct definition of Trump's behavior I've seen. We don't know what he's going to do from day to day (arbitrary), but it almost always involves some little pissing contest he was drawn into (capricious). And apparently nothing gets under his skin more that previous policy moves by Obama: