Latest Former Soviet Union Analysis

(From L-R) Russian President Vladimir Putin, EU foreign affairs chief Catherine Ashton, Belarusian President Aleksandr Luhashenko and Ukrainian President Petro Poroshenko in Minsk, Belarus, on Aug. 26. (KIRILL KUDRYAVTSEV/AFP/Getty Images)

Russia and Ukraine Seek a Temporary Energy Deal

A separatist tank rolls through Donetsk late Aug. 23. (MAX VETROV/AFP/Getty Images)

After Re-Establishing Supply Lines, Ukrainian Separatists Launch Counteroffensive

Russian President Vladimir Putin (L), German Chancellor Angela Merkel (C) and Ukrainian President Petro Poroshenko at a ceremony for the anniversary of D-Day on June 6. (SEAN GALLUP/Getty Images)

Ukraine, Russia and Europe Prepare for Negotiations in Minsk