In December 2010, a St. Petersburg businessman named Sergey Kolesnikov penned a nifty four-page open letter to then-President Dmitry Medvedev, outlining how a glorious palace built for Vladimir Putin came to be. The details of this seemingly ancient document are now familiar again thanks to a massive investigative report released this week by the opposition figure Alexey Navalny, who survived an attempted assassination last year only to be jailed last weekend after returning home to Moscow.