The full conquest of the Donbas remains the minimum President Vladimir Putin needs to spin a narrative of victory, but even that is eluding him, says former ceasefire observer Samir Puri. SINGAPORE: On the day Russia’s armed forces launched their full-scale invasion of Ukraine, one would have thought it improbable that four years later, Ukraine’s far smaller military would still be standing in defiance . After all, Russian President Vladimir Putin’s stated aim for the invasion in 2022 was to