Original insights into major news stories and topical investigations.
The secretive counter-extremism programme known as Channel is investigated by John Ware.
Peter Oborne gives his verdict on crucial questions raised by the 2003 invasion of Iraq.
Salads v Surgery - why an operation might be the best way to treat type 2 diabetes.
The programme looks at who is eligible for a visa to live or work in the UK.
Why the first licensed drug to treat low sexual desire in women is proving controversial.
Can Greece turn its fortunes around? Frances Stonor Saunders asks the Greek people.
Why British writer Cedric Belfrage avoided prosecution after passing top secrets to Russia
The current milk crisis, seen through the prism of long-running radio soap The Archers.
Mairia Cahill tells her story of sexual abuse at the hands of a senior IRA operative.
Are e-cigarettes a health hazard or the best aid we have for smokers trying to quit?
Deserted beaches and empty hotels: a package holiday after the terror attack in Sousse.
How has Jeremy Corbyn MP garnered so much support in Labour's leadership contest?
The charity Kids Company and its founder Camila Batmanghelidjh are under fire. Why?
Peter Marshall investigates claims the RSPCA faces a takeover by animal rights radicals.
Do Jehovah's Witnesses' child safeguarding policies adequately protect against abuse?
Has Britain got too close to Rwanda after its remarkable recovery from the 1994 genocide?
Mobeen Azhar investigates the rising popularity of 'chemsex' parties on London's gay scene
Why are patients given unnecessary medical treatments? Should doctors just say no?
Why aid money pouring into Nepal after the earthquake is likely to be corruptly diverted.
Why drug resistance is considered a severe threat to public safety. Peter Marshall reports
A City banker gets £3 million payout for sexism at work. Why do such cases still happen?
How Satanic abuse accusations in a north London suburb went global, despite being untrue.
Are sharia councils in the UK a cause for concern? Jenny Chryss reports.
EU sanctions on Russia are up for renewal. The Report asks should the UK be backing them?
As Amanda Knox is cleared of Meredith Kercher's murder, the case against her is assessed.
As Tony Blair prepares to quit his diplomatic role in the Middle East, Simon Cox asks why.
Is the Daily Telegraph allowing advertisers to influence its news agenda?
Low-fat diets are often recommended, but is this based on solid science?
Simon Cox investigates the changing face of prejudice against Jewish people.