What the murder of a Mormon family in Mexico reveals about the country; Will Grant has long chronicled the violence of the ongoing drug war.

Kate Adie introduces this and other stories:

Rajini Vaidyanathan reflects on the perils of living in Delhi having developed 'pollution anxiety' and become a smoker by proxy.

John Kampfner was in Berlin when the Wall fell. Thirty years on he's been back to see how the city has changed.

And how does a glass of radioactive water sound? It was once sold in Portugal with the promise of bringing health, strength and vigour. Margaret Bradley visits the, now abandoned, hotel that used it for baths, cooking and even colonic irrigation.

And a troubled nation writes itself another rousing chapter as South Africa wins the Rugby World Cup and the squad returns as heroes. It may only be a game, but stories matter, says Andrew Harding.