THE FOUR HORSEMEN OF RUSSIA'S ECONOMIC APOCALYPSE.

The article looks at the Russian economy and petroleum industry, focusing on the wealth which four Russian businessmen, Mikhail Fridman, Viktor Vekselberg, Len Blavatnik and German Khan, have garnered during the recent period in which Russia has faced severe economic problems. Topics include their sale of their stake in petroleum company TNK-BP to oil company Rosneft, the economic and foreign policies of Russian President Vladimir Putin, and the sharp drop in the value of the ruble.