Afghan Leader Postpones Sri Lanka Visit Over Killing of Soldiers --- KABUL — Afghan President Hamid Karzai postponed on Sunday a planned visit to Sri Lanka over the killing of 19 Afghan soldiers in an assault by Taliban militants. -- "The Afghan president is saddened by this tragic incident, and therefore he postponed today's official trip to Sri Lanka," Karzai's office said in a statement. -- The government also confirmed that six soldiers were missing after the attack in the eastern province of Kunar, long a stronghold of Taliban, al Qaeda and other militants. Earlier, a spokesman for the governor of Kunar said that seven soldiers had been captured by the Taliban in the attack. - More, REUTERS