Mandalit DelBarco

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RACHEL MARTIN, HOST:

And this means an extra second of celebration today for ballerina Misty Copeland. She was promoted to principal dancer of the American Ballet Theatre - the first African-American to hold that position. NPR's Mandalit del Barco has more.

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ROBERT SIEGEL, HOST:

Sixty years ago in San Francisco, Allen Ginsberg penned a poem that opened with the now-famous lines:

I saw the best minds of my generation destroyed by madness, starving hysterical naked,
dragging themselves through the negro streets at dawn looking for an angry fix ...