The World Tonight - 07/01/2011

Radio 4's daily evening news and current affairs programme bringing you global news and analysis with Robin Lustig. David Chaytor, the former Labour MP, begins an 18-month jail sentence today for dishonestly claiming more than 22 thousand pounds in Parliamentary allowances - the first politician to be convicted in connection with the expenses scandal. The Deputy Prime Minister Nick Clegg says the control orders that restrict the movement of terror suspects don't work in their current form - but what could replace them? People of southern Sudan prepare for a referendum which everyone expects will deliver a resounding vote in favour of secession - before Sunday's crucial vote we hear voices from both the south and the north. And after more than half a century of Fidel Castro's centrally regulated economy, Cuba is embarking on an economic experiment aiming to introduce a reform programme that some are likening to China's mixed economy - we report from Havana.