Ukraine revolt shows faces, but whose are the brains?

Commander of the Slaviansk self-defence battalion Vyacheslav Ponomaryov addresses the media at the mayor's office in Slaviansk in this April 14, 2014 file photo. REUTERS/Gleb Garanich/Files

DONETSK/SLAVIANSK, Ukraine (Reuters) - One is a dapper former croupier and promoter of Ponzi scams run by "Russia's Bernie Madoff"; the other is a burly Soviet Navy veteran turned soap factory boss, with a shifting gaze and a glint of gold teeth.

In an uprising whose calling cards are the Kalashnikov and the black balaclava, Denis Pushilin and Vyacheslav Ponomaryov have become the unmasked faces of the pro-Russian separatist movement in eastern Ukraine that has plunged Moscow and the West into their most ominous confrontation since the Cold War.