Contributor(s): David Aaronovitch, Mehdi Hasan | What right is there under freedom of speech to cause offence? How can we balance ideals of free expression with respect for other faiths and beliefs? The sometimes violent reaction to the American-made film about the Prophet has polarised opinion within and between different countries and communities. We bring together David Aaronovitch, Times columnist and author of Voodoo Histories with Mehdi Hasan, Political Director of The Huffington Post UK and co-author of ED: The Milibands and the Making of a Labour Leader to debate what is at stake.