Ukraine's military is ramping up its effort to thwart any military advances by Russian troops on the heels of Crimea's referendum
Ukraine's military is ramping up its effort to thwart any military advances by Russian troops on the heels of Crimea's referendum. A recent Russian takeover of a natural gas plant near the Crimean border is only adding to tensions in Donetsk, where pro-Russia voices are growing louder. Charlie D'Agata reports.