![The Agenda with Steve Paikin (Video) show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/035/911/small/the-agenda-with-steve-paikin-video.jpg)
Summary: An underwater photographer's search for a clear shot, boaters looking for a getaway, and migrants fleeing their homes. Journalist Laura Trethewey's new book, "The Imperiled Ocean: Human Stories from a Changing Sea," collects voices from across the globe who together tell a story that is hard to see when viewed on their own.