Guest host Molly Thomas hears from the Chair of Science Centre's Board of Trustees who says closing was their only option. We wanted to know more about the risks of RAAC (Reinforced Autoclaved Aerated Concrete) so we contacted a researcher in England who says it doesn't have to be a crisis. And a conversation with an Ottawa reporter on the calls from outside of the House for Prime Minister Justin Trudeau to step down, and whether those are going on inside the house as well.