Here's what you'll find on today's show:

— A national movement is brewing. After the slaughter in Parkland, Fla., students nationwide are taking to the streets to demand action. We speak with three student-organizers on this growing movement.

— President Trump's pick for CIA director is most well known for her role in running a CIA "black site" where she oversaw torture-based interrogations in the aftermath of 9/11. A look at how the agency may change under Gina Haspel's leadership.

— John McEntee, personal assistant to the president, was fired and removed from the White House grounds on Monday. Now, he's on Trump's re-election campaign. We examine the potential implications of McEntee's sudden departure.

—In a "60 Minutes" interview that aired Sunday night, Education Secretary Betsy DeVos failed to answer basic questions about the schools in her home state of Michigan. DeVos was confirmed as secretary a little over a year ago. So what has she accomplished since then, and what is the impact on students?

—For nearly 25 years, a radio program has broadcast calls from families of Colombia’s kidnapped, sending messages of love and support to missing loved ones who might be listening. Now, the show has been taken off the air. 

—Cosmology's most famous scholar, Stephen Hawking, passed away at the age of 76. His analysis of celestial bodies radiated across the fields of mathematics, physics, and philosophy. The Takeaway looks back on his life and legacy.