Birthright citizenship clause too many forget, but Trump is right to question

Few of President Donald Trump’s new executive orders have caused as much alarm as the one on birthright citizenship.  

That order prohibits federal agencies from issuing or accepting citizenship documents for children born in the U.S. when neither parent is a U.S. citizen or lawful permanent resident at the time of the child’s birth.   

Critics paint it as flagrantly unconstitutional, including a misinformed federal judge in Seattle who issued a temporary injunction against it last week. But the new policy fits squarely within the text and original meaning of the…