Katharine Murphy talks with the Manly-raised Olympic skier and lawyer about her independent candidacy for the Sydney seat of Warringah. Steggall critiques the former PM’s conservative legacy and shares her concerns about climate change and the Adani coalmine. Can her progressive agenda pull off a Wentworth-style defeat in another traditionally Liberal electorate? Zali Steggall says Labor needs to commit to stopping Adani coalmine