According to a new report from the Canada Revenue Agency, in just one year - 2014 - Canadian corporations did not pay up to $11-billion in taxes. That amount is part of the “tax gap”. It’s the difference between the taxes Canada knows it's owed and the taxes that are actually collected. Today on Front Burner, Toronto Star investigative reporter Marco Chown Oved explains how corporations get away with this, and why it’s such a persistent issue.