Gavin Ortlund, an author and expert on Protestantism, dives into his latest book addressing the challenges faced by modern Protestants. He discusses how social media and podcasts shape religious beliefs, the importance of understanding church history, and the role of Scripture's authority. Ortlund highlights the fragmentation within Protestantism, urging a focus on unity and the gospel. He engages in thoughtful dialogue about the relationship between Protestant and Catholic doctrines, encouraging listeners to stay connected to Christ amidst shifting beliefs.