Lyle Shelton is the Managing Director of the Australian Christian Lobby. In this interview with the ACL's Katherine Spackman he talks about why free speech is important for a well-functioning society. Debate about free speech and the limits of it has been a matter of public discussion in the context of an inquiry into whether section 18C of the Racial Discrimination Act should be amended. Columnist Andrew Bolt was found guilty of breaching the Act in 2011 because of his comments he made about light-skinned aboriginal people. Mr Shelton believes some parts of the Racial Discrimination Act could be amended to ensure free speech.