Mainstreet made ‘catastrophic polling failure’ in early Calgary municipal election projection: review

Mon, Dec 11: It’s being called the perfect storm. One pollster suggests it’s why they were so wrong in predicting the outcome of the 2017 municipal election. But as Jill Croteau reports, apologies and regret may be too little too late.

• Mainstreet Research president calls polling failure ‘my mistake,’ releases results of internal review