When it comes to re-opening school, unions disagree with the Ontario governments over class sizes, ventilation, and whether the reopening plan violates the province's own health and safety rules. In fact, the dispute is headed to the Ontario Labour Relations Board. Last week we heard from the minister of education. Now, we welcomes Sam Hammond who represents more than 80,000 Elementary Teachers; Harvey Bishoff who represents more than 60,000 secondary teachers; and Liz Stuart who represents more than 45,000 Catholic school teachers.