A Conspicuous Gap May Undermine Trump’s Birthright Citizenship Plan

A historical review shows lawmakers without certain familial records went unchallenged as citizens when the 14th Amendment was adopted. The finding appeared to undercut the president’s claims on birthright citizenship.What the amendment meant when it was ratified in 1868, Mr. Trump’s lawyers said, was that “children of temporary visitors and illegal aliens are not U.S. citizens by birth.”