Despite saying in February his province had no plans for retaliatory measures, Saskatchewan Premier Scott Moe now appears to be entertaining the idea of restricting the flow of oil to B.C.

Alberta Premier Rachel Notley is threatening to expand a fight with B.C. over the Trans Mountain pipeline by reducing the amount of oil her province ships.

The dispute between Alberta and B.C. isn’t about transporting oil or keeping beaches clean, Jon McComb says. It's about politics and getting reelected.