Ukraine Crisis Could Spark Third World War, Former Communist Party Leader And President Kravchuk Warns

KIEV -- It could be seen as saber rattling, fear-mongering or an astute prediction by a man with intimate knowledge of Ukrainian-Russian history, but Leonid Kravchuk is adamant that Russian President Vladimir Putin has strayed into potentially cataclysmic territory, and that the current showdown in Crimea could escalate into a world war.