Syrian army presses Aleppo attack as U.N. envoy meets government

By Tom Perry, Suleiman Al-Khalidi and John Irish BEIRUT/AMMAN/GENEVA (Reuters) - The Syrian army threatened rebel supply lines into the northern city of Aleppo on Tuesday as a U.N. envoy met government representatives to try to advance peace talks rendered almost impossible by the continued fighting. A rebel commander told Reuters he was deploying reinforcements including U.S.-made anti-tank missiles to the Aleppo frontline for what he described as a "decisive battle" in northern Syria near the