Writing in the 1940s and 50s, political theorist Hannah Arendt saw in the nascent European project an opportunity for political transformation in the aftermath of totalitarianism. But she also foresaw some of its potential weaknesses, writes Peter Verovšek.
The unexpected dangers of 'extreme vetting'
Screening immigrants to identify radicals, as is now happening again in the US, may also filter out migrants with moderate world-views. The political influence of the hardline anti-communist diaspora during the Cold War shows how ideological vetting can exacerbate geopolitical tensions.