evidence: From his unique perspective, as the leader of a country that's just been invaded, without provocation, it's perhaps understandable that Mr Zelensky feels the need to shake any vestige of complacency out of his audience. [...] For each of his speeches, co-written by close aide Dmytro Litvin, Mr Zelensky has had a captive audience: politicians electrified by his unconventional, direct rhetoric, and fixed too in the uncomfortable spotlight of the Ukrainian leader's righteous anger. [...] Until the war, Mr Zelensky's past as a comic actor often felt like a liability. Under attack, it's suddenly an asset.