As GCSE results are published, schools minister Lord Adonis, and head teacher Joan McVittie, discuss the way the government is managing the bottom end of educational achievement at GCSE level.

The UK could be "energy independent" by 2050 without building any new coal or nuclear power stations, the Liberal Democrats have said. Nick Clegg, the Liberal Democrat leader, advises on the importance of independence in order to head off the threat to the security of our energy supply.

The airport operator BAA will have to sell Gatwick or Stansted and another airport in Scotland, the Competition Commission have reported. Chief Executive of BAA Colin Matthews and Tim Bye, deputy chief executive of BMI, discuss whether the commission's recommendations will improve Britain's airports.

Tighter controls on the movements of sex offenders have been announced by Home Secretary Jacqui Smith. It comes as ex-pop star Gary Glitter left a Vietnamese jail where he served a 22 month jail term for molesting two young girls. Christine Beddoe, director of Ecpat UK, which defends children's rights, and Home Secretary Jacqui Smith discuss the new measures for foreign travel orders for sex offenders.

Pakistan's president, General Pervez Musharraf, has resigned. His resignation speech lasted almost one hour. Former BBC political correspondent Nick Jones and Michael Dobbs, a former advisor to Margaret Thatcher and political thriller writer, explain how a leader's final speech creates a lasting impression.