Biden's long and painful path to Democratic presidential nomination
Former Vice President Joe Biden has spent decades in public office. On Thursday night, he will finally accept the Democratic Party's nomination for president. We look back at Biden's personal story, fraught with tragedy and resilience, and his long political career as he arrives at this professional milestone. Lisa Desjardins reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders