How does an ex-spy link BP, Libya and Lockerbie bomber? Who Knows Who investigates the key players at the heart of a growing transatlantic rift – from deals in the desert to the boardroom, via MI6.
How royal is David Cameron? Channel 4 News investigates the 13 steps between the prime minister and the Queen.
As Sir John Chilcot continues his inquiry into the Iraq conflict, Channel 4 News discovers pro-war voices are becoming hard to find.
A threat to civilisation or a natural cycle in the life of planet earth? Although the scientific consensus is that man-made global warming is with us, there are still prominent deniers in the debate.
At the start of the second week of the Iraq inquiry, four well-known opponents of the conflict gave their reaction to the findings so far to Channel 4 News.