The leader of an al Qaeda-linked group allegedly bent on attacking the West has been killed in an airstrike by the U.S.-led coalition in Syria, U.S. officials said Sunday. Sanafi al-Nasr, a Saudi citizen whose real name is Abdul Mohsen Adballah Ibrahim al Charekh, was the highest-ranking member of the Khorasan Group -- a collection of veteran al Qaeda jihadis which had moved into Syria, the Pentagon said in a statement. He was killed in an airstrike in northwest Syria on Thursday, the statement said. Nasr, who was once al Qaeda's chief financial officer and had been designated a Specially...