An Afghan woman holds up her ink-stained finger after voting at a polling station in Kabul June 14, 2014. Afghans headed back to the polls on Saturday for a second round of voting to elect a successor to President Hamid Karzai in a decisive test of Afghanistan's ambitions to transfer power democratically for the first time in its tumultuous history. REUTERS/Mohammad Ismail (AFGHANISTAN - Tags: POLITICS ELECTIONS)