The just-concluded trial of Bo Xilai will be remembered as one of the most critical political milestones in contemporary Chinese Communist history. For many years after Mao Zedong's death in 1976, show trials were straightforward affairs. For their role in the devastating Cultural Revolution, the Gang of Four were simply charged with "anti-party activities" and convicted. Today, a political trial needs to take into consideration many more factors.

As China assumes a more central role in international affairs and touts its rapid economic growth over the past 30 years, its leaders seek to establish a reputation for governing society according to the rule of law. Tested by Bo's trial, the new leadership has struggled to maintain that fiction, and to appear open and confident before its people. Ultimately, those efforts have failed.

Bo's case must have felt to party leaders like a tumor growing near a carotid artery — too dangerous to treat, yet too aggressive to be left alone. All involved are members of the social and political elite, starting with former Politburo member Bo; his wife, Gu Kailai; the police chief of Chongqing, with whom she may have been having an affair; a murdered British business partner; top Chinese and foreign businessmen; even Bo's son, a graduate of Harvard's Kennedy School.