Be careful. ticking lets take back this country you have held a steady lead in the national and state polls, but so did Hillary Clinton four years ago. Could donald trump still win this . Sure. I dont underestimate how he plays. Former Vice President biden and senator Kamala Harris tell us about their vision for the country. I think were going to have to make big institutional changes. Proposals for new taxes and questions about their historic partnership. Youre very different in the policies that youve supported in the past. Youre considered the most liberal United States senator. ticking im lesley stahl. Im bill whitaker. Im anderson cooper. Im Norah Odonnell. Im scott pelley. The candidates, tonight, on 60 minutes. A very independent woman. Driven, passionate. Embodied grit, perseverance. She marched. She wrote. She demanded. She was proud to pass on a legacy of civic mindedness to her descendants. Im very proud to carry on her story. All her story find their stories. Make them coun