The justices have never interpreted Title III, under which Congress authorized the U.S. president to suspend if deemed "necessary to the national interests."

The justices have never interpreted Title III, under which Congress authorized the U.S. president to suspend if deemed "necessary to the national interests."

WASHINGTON: The US Supreme Court is set to explore legal questions arising from the fraught history of US-Cuban relations when it considers the scope of a 1996 law that lets US…