Russian President Vladimir Putin spoke by phone Friday with Turkey's President Recep Tayyip Erdogan about the situation in Syria. The Kremlin issued a news release noting that Putin expressed concern about "ongoing aggressive actions of extremist groups"..... Russia's defense ministry says that large numbers of Turkish armored vehicles and huge caches of ammunition entering northwestern Syria point to apparent preparation for a large scale military operation that Turkey has been threatening...... The Pentagon revising upwards for the fifth time the number of traumatic brain injuries resulting from the January 8th missile attack by Iran on the Al-Asad Air Base..... US...