Tonight on Amanpour and Company: Report: Freezing Conditions in Syria: Robert Ford, Former U.S. Ambassador to Syria & Zaina Erhaim, Syrian journalist; Bear Grylls, Adventurer & co-founder, BecomingX. Hari Sreenivasan interviews Abdul Qader Zaman, Afghan National Army & Interpreter & Terry Best, Master Sergeant (Retired), U.S. Army.