An opposition supporter holds a Ukrainian flag in the center of Kiev's Independence Square, the epicenter of the country's current unrest, Ukraine, Friday, Feb. 7, 2014. Ukrainian protesters lambasted parliament on Thursday for its lack of action, and a senior U.S. diplomat arrived in Kiev to try to help find a resolution to the country's grinding political crisis. Assistant Secretary of State Victoria Nuland met separately with President Viktor Yanukovych and with opposition leaders during her two-day stay in the Ukrainian capital. (AP Photo/Emilio Morenatti)