Beto O'Rourke says Trump is gunning for war with Iran

Former Texas Rep. Beto O’ Rourke burst onto the national stage when he came close to defeating Republican Sen. Ted Cruz in the 2018 midterms. Now running for the Democratic presidential nomination, O’Rourke is emphasizing his ability to bring together diverse groups over a progressive agenda and his focus on the future. He talks to Judy Woodruff about climate change, health care and Iran.