On this episode of the Nerdcast with host Scott Bland: In a marathon forum on climate change, Democratic contenders began to seek separation from one another on the key issue. POLITICO energy reporter Kelsey Tamborrino and national political reporter David Siders explain the first signs of candidates weaponizing climate change in the primary campaign. Plus, POLITICO national political reporter Chris Cadelago explains how Kamala Harris won over the prominent voice of rapper 2 Live Crew.