Groups sued President Donald Trump and his administration on Jan. 20 over his order ending birthright citizenship for certain individuals born in the United States in the future. The groups say the order violates the U.S. Constitution’s citizenship clause, which states that “all persons born or naturalized in the United States and subject to the jurisdiction thereof, are citizens of the United States.” Trump’s order, signed within hours of his taking office, states that the clause “has never been interpreted to extend citizenship universally to everyone born within the United States” and “has always excluded from birthright citizenship persons who were born in the United States but not ‘subject to the jurisdiction thereof.’”…