Sam Roggeveen, editor of the Lowy Institute's influential political commentary site, The Interpreter, www.lowyinterpreter.org, spoke in Melbourne on 4 November on new media and world politics.As a participant in the global online conversation, he offered his perspectives on how new media is changing the world. Drawing on US presidential politics, recent events in Iran, China's online revolution and other contemporary international events, Sam explored the implications of new media for governments, citizens and businesses.Sam Roggeveen