OPINION WHAT ON EARTH HAS HAPPENED TO CANADA? by Chris Leithner Once called the "Switzerland of the North", as late as 1968 it was the world's second-richest country. Today, in terms of GDP per capita ($29,300), it ranks ahead of Australia ($27,500) and Britain ($26,400) but just below the G7 average ($30,100) and well behind the U.S. ($35,200). Accompanying ? one is tempted to say causing ? Canada's relative economic decline has been the rise of many and various interventionist schemes: high taxes, big deficits, growing debt, nationalisation of "key" industries, attempts to control consumer prices,...