Trump rails against court, migrants in call to troops

President Donald Trump meets and poses for a photo with members of the U.S. Coast Guard stationed at United States Coast Guard Station Lake Worth Inlet in Riviera Beach, Fla., on Thanksgiving Day, Thursday, Nov. 22, 2018. (AP Photo/Susan Walsh)

President Donald Trump asks if reporters can hear the audio as he talks with troops via teleconference from his Mar-a-Lago estate in Palm Beach, Fla., Thursday, Nov. 22, 2018. (AP Photo/Susan Walsh)

PALM BEACH, Fla. — President Donald Trump used a Thanksgiving Day call to troops deployed overseas to pat himself on the back and air grievances about the courts, trade and migrants heading to the U.S.-Mexico border.