Watch this riveting hour and one and one half video presentation by Karen Dawisha at the Wilson Center, Washington DC, in which she talks about her important new book:
"Putin's Kleptocracy: Who Owns Russia?"
She suggests near the end that one of the reasons for Russia's invasion of Ukraine was that with the flight of Yanukovych, major assets in Eastern Ukraine and Crimea owned by Russian billionaires tied to Putin could no longer be considered safe.
p.s. The Donetsk 62.ua site considers that continued fighting at the city's airport suits both sides of the conflict. While Kyiv forces engage and resist the separatists there, it relieves pressure elsewhere.