FOR the past year, Ukraine’s government has enlisted the help of the country’s powerful oligarchs in fighting its war against pro-Russian separatists. This week a new war opened up, pitting the government against one of the very oligarchs it had relied upon. On March 25th Petro Poroshenko, Ukraine’s president, forced Ihor Kolomoisky, a business magnate, to resign from his post as governor of the central region of Dnipropetrovsk. Mr Kolomoisky had financed pro-Kiev battalions and played a vital role in stemming the spread of separatism. Yet after Mr Kolomoisky deployed his personal militia in Kiev to block the government from regulating his business interests, the president had no choice but to sack him.
The clash was the biggest skirmish yet in an unfolding confrontation between the government and the oligarchy. It may be the single most important front in the struggle for Ukraine’s future. Sergii Leshchenko, a former investigative journalist and now a reformist member of parliament, calls it the second phase of the Maidan revolution: “Maidan removed [the former president, Viktor] Yanukovych, but not the oligarchic system.” But it could…