On the Today programme, the Foreign Secretary batted away the idea, much loved by realists and pessimists, that because Britain did not know, with forensic detail, how exactly the intervention would end, it should not have become involved.
There are many mountains still to climb. European governments need to be pressured into supporting the NATO mission; the rebels need to be helped (including militarily); and Colonel Ghaddafi's wily manoeuvres need to be countered. But Hague, who came under so much criticism earlier in the year, looks like he has returned to form. Good thing too.