Harvard's seventh annual US-Russian investment symposium, held in Cambridge last week, passed under the shadow of disturbing recent events in Russia. One of the symposium's scheduled speakers, Russian oil tycoon Mikhail Khodorkovsky, was unable to attend because he is sitting in a Russian prison cell. His arrest, widely viewed as politically motivated, is yet another alarm signal from Vladimir Putin's Russia. Khodorkovsky, who stepped down as chairman of the Yukos oil company after his arrest, has been charged with tax evasion, fraud and embezzlement. It is quite likely that, like most Russian oligarchs who made their fortunes after the collapse...