Thomson ReutersMOSCOW (Reuters) - Russian Deputy Foreign Minister Sergei Ryabkov said on Monday that the "two-faced policy" of the United States was to blame for the death of Russian Lieutenant-General Valery Asapov in Syria, the RIA news agency quoted him as saying. The Russian Defence Ministry said on Sunday that Asapov had been killed by Islamic State shelling near Deir al-Zor. Moscow has complained about what it has suggested are suspiciously friendly ties between U.S.-backed militias, U.S.