US President Barack Obama mourned the killing of seven CIA officers in Afghanistan in a Taliban suicide attack yesterday. In a message to the employees of the CIA, Obama said the American intelligence agency in recent years has been tested as never before. He said these brave Americans were part of a long line of patriots who have made great sacrifices for their fellow citizens, and for our way of life. In a Taliban suicide attack at a CIA camp in the Khost province, as many as seven CIA employees died yesterday, while six others were injured.