Russia’s spring 2021 saber-rattling on the Ukrainian border helped guarantee that Ukraine would be high on the international agenda during June’s G7, NATO, and US-Russia summit meetings. Fears of a major military escalation also served as a reminder that this unresolved European conflict remains at the heart of international affairs. Ever since the onset of Russian aggression against Ukraine in early 2014, the undeclared war between the two countries has unfolded alongside an avalanche of deliberate disinformation. Most of this has come from Russian state media or the Kremlin itself, but an ideologically diverse range of Western sources have also...