At "New Books in Critical Theory", an interview with Nancy Fraser on her book "Transnationalization the Public Sphere" (Polity Press, 2014):
Interview with Nancy Fraser (audio, 1 hour).
The interview covers the history and formation of public sphere theory, the currents and forces in the "postnational constellation" that demands its rethinking, critical theory, what normative legitimacy and political efficacy look like on the transnational scale.
See my post on Nancy Fraser's book here. The first chapter is available here.
See also this interview with Nancy Fraser in "Eurozine": An astonishing time of great boldness (pdf).
Nancy Fraser is Professor of Political and Social Science at the New School for Social Research, NYC. She is the author of "Unruly Practices: Power, Discourse and Gender in Contemporary Social Theory" (Polity Press, 1989), "Redistribution or Recognition? A Political-Philosophical Exchange" (Verso, 2003) [co-authored with Axel Honneth] and "Scales of Justice: Reimagining Political Space in a Globalizing World" (Polity Press, 2008).