Court battles over National Guard troops deliver win to Chicago while Portland awaits a decision. Get the key takeaways

Federal courtrooms on opposite sides of the country on Thursday served as stages for the ongoing showdown between Democratic-led cities and the Trump administration, as judges weighed whether the president is exceeding his authority by deploying National Guard troops to quell demonstrations outside ICE facilities near Chicago and Portland.

​ Federal courtrooms on opposite sides of the country on Thursday served as stages for the ongoing showdown between Democratic-led cities and the Trump administration, as judges weighed whether the president is exceeding his authority by deploying National Guard troops to quell demonstrations outside ICE facilities near Chicago and Portland. Read More Breaking News, Latest News and Videos | CNN