Globe and Mail: Call it a “de facto moratorium” or a “market-based slowdown.” Either way, Canada’s oil-sands juggernaut has hit the skids, spreading a deepening gloom over Alberta’s economy, and to some degree, across the country. Most expansion projects not currently under way in the Fort McMurray region have been put on the shelf, as oil companies slash their budgets to reflect the new low-oil-price world where they have to operate. The slump has given new meaning to “boom and …