It's been more than two years since violent protests erupted in the capital of Ukraine, driving an elected president from office and setting the stage for Russia's occupation and annexation of the Crimean Peninsula in Ukraine. The occupation emboldened pro-Russian secessionists who sparked a military conflict with Ukrainian government forces that has cost thousands of lives. Can the new president and parliament with a vocal reform-minded bloc weed out corruption and bring change? On Sunday, NewsHour Weekend Special Correspondent Kira Kay takes us inside Ukraine's struggle for stability.