Negotiations over Labor\u2019s major climate policy are in deadlock. With the government\u2019s tight deadline to pass its bill to cut greenhouse gas emissions looming, what\u2019s holding up this deal? And what\u2019s at stake if the parties fail to reach a compromise?Guardian Australia\u2019s climate and environment editor Adam Morton joins Jane Lee to discuss the details of Labor\u2019s safeguard mechanism and who will be crucial to its success