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SpaceX CEO Elon Musk on the next giant leap for mankind

As the founder, CEO and lead designer at SpaceX, a private company that makes rockets and spacecraft, Elon Musk envisions a time when his reusable rockets will bring people to the moon and Mars. He's focused on humans becoming a "multi-planet species," and on the 50th anniversary of the Apollo 11 mission, he speaks with Jeffrey Kluger (editor-at-large at Time magazine, and the co-author of "Apollo 13") about his vision for the future.

On the brink: The Endangered Species Act

Around the world, plant and animal species are going extinct at a rate faster than any time in human history. The Endangered Species Act, signed into law 46 years ago, has succeeded in preventing hundreds of species on the list from going extinct, and has recovered 54 species. But new regulatory changes to the Act are being finalized by the Trump administration, which may weaken its ability to protect wildlife and habitat, and – say wildlife advocates – speed extinctions. Conor Knighton reports.

"Mike Wallace is here"

Four words that struck terror into the hearts of shady businessmen and corrupt politicians – "Mike Wallace is here" – also comprise the title of a new documentary that depicts the dramatic life and career of the legendary CBS News correspondent, whose no-holds-barred interview style and indefatigable showmanship helped make "60 Minutes" must-see TV. Rita Braver talks with filmmaker Avi Belkin (who was granted unprecedented access to CBS News' archives), and with Mike's son, "Fox News Sunday" anchor Chris Wallace, about building a career in the footsteps of a giant.

Hannah Gadsby on comedy and tragedy

Luke Burbank profiles Australian writer, actress and standup comedian Hannah Gadsby, whose recent Netflix special, "Hannah Gadsby: Nanette," about the intersection of comedy and tragedy, earned her a Peabody Award, and whose latest show, "Douglas," is even more revealing.

ZZ Top is "Goin' 50"

The band ZZ Top is marking 50 years together, with a new remastered collection of their greatest hits, "Goin' 50." Jim Axlerod talks with guitarist Billy Gibbons, bassist Dusty Hill, and drummer Frank Beard (the one without a beard) who are still working hard to make their pedal-to-the-metal, bluesy country rock seem so easy.