SAN`A, Yemen - Two Yemeni teenagers convicted of trying to kill the U.S. ambassador in 2003 were sentenced Sunday to five years in prison. The judge said the two — 17-year-old Hezam Ali Hassan and 18-year-old Khaled Saleh — would be held in "a special prison" because of their ages. According to an indictment, the two followed the car of then-U.S. Ambassador Edmund Hull in the capital, San`a. Hassan — carrying a pistol and two hand grenades he intended to throw — then climbed the outside wall of a store that Hull had entered. Saleh waited outside with a machine...