Once a Planet

6 segments
When planets were officially defined, Pluto was left out in the cold. Astrophysicist Neil deGrasse Tyson, director of the Hayden Planetarium, writes about his role in downgrading the 9th planet and the ensuing controversy in his new book The Pluto Files. Also, imagining a future without the Times; playwright and director Young Jean Lee; and working to end malaria.

WNYC and ProPublica are investigating the economic stimulus plan and you can, too!