Twenty years after the war began, the United States' forces will officially leave Afghanistan on September 11, 2021. What's the argument to leave and why has it taken so long?

The future of agricultural innovation is dependent on young people. How can we motivate them to get engaged?

In this episode, expert Rachel Bronson takes a minute to explain how the Doomsday Clock works, examine if nuclear weapons make the world safer, and recommend her favorite movie involving nuclear warfare.

Bethany Allen-Ebrahimian, Stefan Kornelius, and Peter Spiegel join Ivo Daalder to discuss the week's top news stories.

Elisabeth Braw discusses cybersecurity.

Todd Graham, CNN debate analyst and "America’s Debate Coach," takes a minute to explain what voters expect to learn from presidential debates and why it's helpful for the candidates to debate more than once.

Will gas flow in the Nord Stream 2 pipeline if Russia invades Ukraine? Council President Ivo Daalder argues on CNN it is "inconceivable."

Amy Webb discusses artificial intelligence.

Dr. Agnes Binagwaho discusses Rwanda's health system.

The World Food Programme received the 2020 Nobel Peace Prize for combating hunger and contributing to peace in conflict-affected areas.