Washington State starts retail marijuana sales this week. We look at how it’s different from Colorado, and what it learned from Colorado going first. Plus, Mexico is set to overtake Brazil as Latin America’s top automaker. Mexican factories surged ahead this year thanks to increasing demand from the US market and a slump in domestic sales in Brazil. It’s the first time in more than a decade that Mexican carmakers have taken the lead and it signals a rebound in the country’s lagging economy. Also, it’s summer and that means it’s time for summer camp! But a whole lot of kids are forgoing the great outdoors… For extra time in front of the computer. We investigate. And after, there was a time in China when men and women settled down – at the very latest – by their early twenties. But the country’s rapid economic expansion and urbanisation has changed all that. Many young, urban, middle class Chinese are still unmarried at 30. They’re busy working hard, enjoying the money they earn, and so haven’t got time for marriage. Many high-flying women seem to want a man who’s richer and more successful than they are – and many are struggling to find him, which has led to an explosion in online and face to face dating.