By inviting Steve Bannon to speak, the Oxford Union has handed him a victory

Ever since Steve Bannon was fired as US President Donald Trump's chief strategist last year, he has clutched at every publicity straw he can grasp. Undeterred by the loss of his second job as executive chairman at Breitbart in January, he has pushed his campaign for worldwide national populism and declared his support for far-right leaders all over Europe, even backpedaling on his former rejection of hated "establishment" platforms to further his cause.