How is Mark Carney balancing energy ambitions and climate concerns?

The Liberals announce their plans to double Canada’s electricity grid by 2050 and build on changes to project approvals with progress on pipeline and an industrial price on carbon - but is the caucus behind him? Plus, the UCP government says it will appeal a court decision to quash a separatist petition. Rosemary Barton hosts Chantal Hébert, Andrew Coyne and Althia Raj.