Hardt and Negri’s follow-up to Empire, in which they further develop the concept of the ‘multitude’ and the potential for political activism, now under the shadow of a ‘global state of war’: post-9/11 military interventions, the ‘war on terror,’ the fissures seen in the anti-globalization movement, and a general swing to the Right. See in particular ‘The Global State of War,’ ‘From Biopower to Biopolitical Production,’ ‘Global Apartheid,’ and ‘Crisis of Democracy in the Era of Armed Globalization.’