Tonight on Newsnight Richard Watson examines if Britain was turning a blind eye to maltreatment and colluding with the Gaddafi regime to arrange the rendition of Libyan terror suspects - the PM has said that allegations that MI6 was involved should be examined by an independent inquiry.

Paul Mason will be asking if the IMF's managing-director, Christine Lagarde, was right when she said the global economic outlook had darkened suddenly over the summer, and Jeremy will be speaking to the former chancellor Alistair Darling.

Then we'll be hearing from Murdo Fraser, the favourite to become the next leader of the Scottish Conservatives who reckons the only hope for the party to attract greater support in Scotland would be to split off from the UK party.

And Tim Whewell has been meeting the high command of Libya's National Transitional Council.