10 years of terror: Exaggerating the focus on sovereignty in the age of terror has caused us to put into the shadows the everyday functioning of power

10 years of terror: Our response to 9/11 represents a profound failure of the political and philosophical imagination. The challenge we face is to reconcile friendship with political difference

10 years of terror: The contemporary relevance of the Marquis de Sade's 120 days of Sodom in relation to US soldiers' treatment of Iraqi prisoners

10 years of terror: After 9/11, the world shifted to allow the securitisation of human life, using the language of fear for legitimacy, says the philosopher Simon Critchley

By robbing people of the opportunity to develop their own economies, imperialist powers risk reducing their constituents to children, says Saskia Sassen

10 years of terror: Not only did the reasons for waging war multiply after 1989 in the absence of a rival political model but the credit revolution increased the financial means for conflict, says Michael Dillon

10 years of terror: Carl Schmitt's political theories, currently popular with the left, would have it that war follows enmity. Mary Kaldor of the LSE argues it's the other way round

10 years of terror: Philosopher Brian Massumi on a mindset that only sees safety in action against threats that haven't yet emerged – Donald Rumsfeld's famous unknown unknowns

10 years of terror: For Zygmunt Bauman the world is marked by a division between power and politics. While politics is defined by nations, power no longer recognises national boundaries