United States Special forces and aircraft are engaged in a massive offensive in Southeast Afghanistan in a bid to kill or capture senior Taliban leaders.Aljazeera's Afghanistan correspondant said a United States offficer was 100% sure that Taliban leaders Mullah Omar and Mullah Qahar were both surrounded in the villiage of Sarang with about 1000 Taliban fighters.The special forces have joined a major week long operation against suspected Taliban and Al Qaeda bases in the mountains of Daychopan district of Zabul province, 300 kilometeres Southwest of Kabul. Aljazeera.net has learned that the Afghan Government infantry was order to withdraw in anticipation...