From the abolition of slavery to the Black Power movement, African-American unity has been considered a powerful method to achieve freedom and equality. But does Black solidarity still make sense in a supposedly post-racial era? And how should we think about racial solidarity versus class or gender solidarity? In honor of Black History Month, John and Ken join forces with Tommie Shelby from Harvard University, author of "We Who Are Dark: The Philosophical Foundations of Black Solidarity." Philosophy Talk with John Perry and Ken Taylor ~ Sunday, 2/02 at 10am.