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Has the government done enough to protect us from flooding? Allan Urry investigates.
What to do with the world's largest stockpile of civilian plutonium being kept in the UK?
Does the European Union spend too much on self-promotion?
London is home for many rich Russians. But how much are they vetted on arrival?
Corporate tax: Who writes the rules? Fran Abrams investigates.
Can the NHS afford to have more senior doctors working out of hours? Jane Deith reports.
Allan Urry asks how gunrunners can fuel the global illegal arms trade from within the UK.
With the CBI calling for it to be scrapped, Allan Urry examines the Highways Agency.
What effect are so-called zombie companies having on the UK economy? Hugh Pym investigates
Are people with learning disabilities dying unnecessarily because of poor care in the NHS?
Ahead of elections for police commissioners, do we need so many separate police forces?
After the West Coast rail debacle, Michael Robinson investigates government outsourcing.
What threat does a growing fundamentalist branch of Islam pose to Arab Spring countries?
Alcohol smuggling is costing more than a billion pounds in lost taxes. Allan Urry reports.
How far should undercover police be allowed to go to gather intelligence?
Why are growing numbers of allied soldiers being killed by their Afghan allies?
Is enough being done to combat diesel pollution which is blamed for thousands of deaths?
Is the NHS failing to tackle the rise in tuberculosis in Britain?
Jane Deith examines new research into violent behaviour by soldiers returning from combat.
Why are areas of Britain losing millions of pounds of regeneration money from Europe?
Is sport doing enough to tackle the sexual abuse of athletes? Chris Buckler investigates.
Are stolen Arab billions still locked in British banks? Jenny Cuffe reports.
Why are more schools failing their Ofsted inspections? Fran Abrams investigates.
Are plans for secrecy in some civil courts necessary to protect national security?
Jane Deith asks if the official figures for hospital waiting times can be trusted.
Why are the police still accused of unfairly treating black and Asian officers?
Are the police doing enough to protect and look after people under witness protection?
Why do so many British public sector contracts go to foreign companies?
As the Treasury reviews tax avoidance, Fran Abrams asks - how widespread is the problem?
What drives fathers to kill their families and themselves? Jane Deith investigates.