Two days after President Donald Trump took the oath of office, active-duty U.S. military troops are preparing to head to the southern border.

Since the nation's founding, the chief justice of the Supreme Court has traditionally performed this duty. Chief Justice John Roberts will read the presidential oath of office to President-elect ...

Since the nation's founding, the chief justice of the Supreme Court has traditionally performed this duty. Chief Justice John Roberts will read the presidential oath of office to President-elect ...

Since the nation's founding, the chief justice of the Supreme Court has traditionally performed this duty. Chief Justice John Roberts will read the presidential oath of office to President-elect ...