A family waits in line to apply for asylum at the southern border between El Paso, Texas, and Ciudad Juárez, Mexico, in 2023. (Photo by Corrie Boudreaux for Source NM) WASHINGTON — The U.S. Supreme Court sided Thursday with the Trump administration’s request to turn away asylum seekers who present themselves at ports of entry at the U.S.-Mexico border. The question the justices considered was whether migrants have to fully cross into the United…