President Donald Trump’s attempts to deploy the military in Democratic-led cities — over the objections of mayors and governors — have brought a head-spinning array of court challenges and overlapping rulings.

The Trump administration has been given the green light to send the Oregon National Guard into Portland after a federal appeals court on Monday overturned a lower court’s order to bar the deployment –...

Two Trump-appointed judges, Ryan D. Nelson and Bridget S. Bade, sided with the administration’s appeal while a third, former President Bill Clinton appointee Judge Susan P. Graber, dissented, saying,...