This years Reith lectures are given by Harvard Professor and political philosopher Michael Sandel. Sandel's lectures, under the banner of "A New Citizenship" look at the moral issues facing today's global citizen. Sandel discussed the limits of morality in a free market economy, the role of morality and religion in political life, corporate, social responsibility and Aristotles theory of Justice!

These thought provoking lectures are available as both transcripts and podcasts from the BBC website. Michael has authored several booking including his "Public Philosophy" which examined the morality behind American politics and his latest book "The Case Against Perfection" looking at the ethics surrounding genetic engineering. The lectures run for around 40 minutes with participation encourages via their Twitter feed or via the forum on the website of the Open University. Well worth a listen!