Excerpt:
Rowan Williams sent shock waves through Britain in 2008 when he said adopting some aspects of Islamic Sharia law in the UK appeared "unavoidable".
Tonight, the former Archbishop of Canterbury will revisit the controversial lecture and consider whether adjustments to English law, moral and social practices should be considered.
The talk by the master of Magdalene College, Cambridge, comes in the wake of the brutal murder of Drummer Lee Rigby on the streets of Woolwich.