<p>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?&nbsp;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.</p>