The Inquiry podcast explores the breakthrough in treating genetic diseases, focusing on the case of baby KJ, who received a gene editing drug tailored to his specific genetic mutation. The podcast explains the science behind CRISPR technology, which allows scientists to target and correct faulty genes, and its application in treating diseases like cancer. Experts discuss the potential for streamlining the development and regulatory approval of personalized gene therapies, while also addressing the ethical considerations and challenges associated with gene editing. The podcast highlights the collaborative effort that led to the rapid development and application of the treatment for baby KJ, offering hope for future treatments of rare genetic disorders.