This latest brouhaha within Russia is momentous, for it is the first real challenge in  23 years to Vladimir Putin's autocratic rule .  However, the significance is minimal relative to that  Russian Revolution of 1917 .  Responsible for all this unexpected activity is a former close friend of Putin, and hot dog entrepreneur: Yevgeny Prigozhin is a Russian oligarch who has a net worth of $1 billion. Known as "Putin's Chef," in the 1990s Yevgeny Prigozhin parlayed a hot dog stand outside of a flea market into a restaurant which was frequented by the Deputy Mayor of Saint Petersburg. That Deputy Mayor was a young man named   Vladimir Putin . Putin was so passionate about Prigozhin's cooking that he made his company the official caterer of the city. When Putin became President of Russia just five years later, Prigozhin's company Concord Catering, became the official caterer of the Russian government. Over the years Concord reportedly has received billions in gover