From a special military operation to a state of war – the Kremlin’s definition of hostilities on the Russian-Ukrainian border shifted starkly this past week, following a terrorist attack on concert-goers outside Moscow. Is the switch in rhetoric likely to be followed by a change in military tactics? To discuss this, Oksana is joined by Dmitry Trenin, a research professor at the Higher School of Economics and a member of Russia’s Foreign and Defense Policy Council.