The Duma hasn't even confirmed Viktor Zubkov as Russia's new prime minister, and already he's raising eyebrows. Early commentary on Zubkov pegged him as a quietly competent bureaucrat who was unlikely to make waves or alter the balance of the intra-Kremlin jockeying over succession.But it's so much fun to confound the pundits: today Zubkov told reporters that a run for the presidency is not off the table. So who is this mysterious fellow?Here's...