'60 is the new 50': As life expectancy rises, how Americans are embracing life's third act

100 years ago, average life expectancy in the U.S. was 47. Today, it's closer to 80 -- and lots of people are using those extra 30 years to reinvent themselves. Tom Andrew, Chip Conley and Sara-Lawrence-Lightfoot join Anthony Brooks. About: On Point is WBUR’s award-winning, daily public radio show and podcast. Every weekday, host Meghna Chakrabarti leads provocative conversations that help make sense of the world.