NV: Last week, BBC News Ukraine wrote that Yermak had been convinced that Russia was unlikely to invade in February 2022, which probably informed Zelenskyy’s views on how to respond to the Western warnings about the imminent war. Do you think his influence is strong enough to translate directly into state policy? Koshel: I think that of all the heads of the secretariat, administration, and the President’s Office, Yermak is the most influential. I used to think that the most influential person was [former head of the Presidential Administration] Dmytro Tabachnyk, about whom there were even joke…