When the Supreme Court issued its decision last month in Trump v. CASA, the majority didn’t address the legality of President Donald Trump’s bid to upend the Constitution’s birthright citizenship protections by executive order.

A federal appeals court ruled on Wednesday that U.S. President Donald Trump's executive order curtailing automatic birthright citizenship is unconstitutional and blocked its enforcement nationwide. The 2-1 decision by the San Francisco-based 9th U.

President Trump's executive order that seeks to end birthright citizenship in the U.S. is "unconstitutional," a federal appeals court ruled Wednesday. Why it matters: The 2-1 ruling upholds a nationwide pause on enforcement of the policy,