Carney touches down in Alberta to make his pitch for unity

Prime Minister Mark Carney is in Calgary, making the case for a united Canada just four days until Albertans vote on whether they want to separate from the country. Power & Politics has the latest from our reporters on the ground. Plus, the federal government says everything is on the table as it considers legal action against Stelco steel layoffs. P&P hears from the union representing Stelco's workers on what action they'd like to see from Ottawa.