A Senate hearing today into the convictions of two U.S. Border Patrol agents who shot a fleeing drug-smuggling suspect is expected to spark heated debate as the U.S. attorney who brought the charges defends the prosecutions. U.S. Attorney Johnny Sutton will tell the Senate Judiciary Committee that a jury in Texas heard all the evidence against agents Ignacio Ramos and Jose Alonso Compean in their shooting of Osbaldo Aldrete-Davila and ruled it was not justified. "This case is not about illegal immigration but the rule of law," said Mr. Sutton. "After a 2½-week jury trial, these former agents were convicted...