At least 49 people were killed and many more injured in attacks on two mosques in New Zealand. Host Marco Werman speaks with reporter Chelsea Daniels in Auckland about the attacks and how they could change how New Zealand thinks about security. Host Marco Werman also speaks with scholar Zeynep Tufekci about the role social media plays in the aftermath of attacks like these. Plus, students across the US are taking the lead from their peers around the world and skipping school today. They want to press their political leaders and other adults to take much more dramatic action to address what they call a climate crisis.