The story behind the fatal poisoning in London of Russian exile Alexander Litvinenko.
Litvinenko: The Miniature Nuclear Attack
Tommy Robinson's Pegida Ambition
Tommy Robinson launches the UK branch of the German anti-Islam group Pegida.
Lord Bramall: A Failure to Investigate?
The former army chief speaks on now-dismissed allegations of child abuse made against him
Trump v the Republicans in New Hampshire: PJ O'Rourke on the campaign trail
US satirist PJ O'Rourke goes on the campaign trail in New Hampshire. Can Trump really win?
What would a seven-day NHS look like, and can the government afford to pay for it?
Jimmy Savile and the BBC
How did Jimmy Savile get away with sexual abuse when so many people knew so much?
The gangland feud that led to two horrific murders within just four days in Dublin.
Can psychedelic drugs overcome their notoriety to become accepted for routine medical use?