The week that risk became reality Published: August 15 2008 19:31 | Last updated: August 15 2008 19:31 Trouble has been in prospect ever since the credit squeeze began last summer, but this was the week when both shoes dropped at once, everywhere from the UK to Japan and most points between. For decades, a concerted world slowdown would have only one cause: a US recession. That is no longer entirely true. To paraphrase Tolstoy, each unhappy economy is unhappy in its own way. Japan has begun to contract, and plummeting exports are not the sole culprit: domestic demand is...