Ten years after the terrorist attacks on the offices of the French satirical magazine Charlie Hebdo that killed 12 people, in arts24 we're talking about freedom of expression and the role of satirical cartoons in today's world with two cartoonists. Presenter Eve Jackson is joined by Kak, the president of Cartooning for Peace – an organisation that fights for freedom of the press around the world – as well as the Iranian artist, cartoonist and human rights activist Kianoush Ramezani, who has been living in exile in France since 2009.