This Radiolab episode is an interview-based podcast exploring the question of presidential control over nuclear launch codes. The podcast begins by introducing Harold Herring, a former military officer who questioned the lack of checks and balances on presidential authority to launch a nuclear strike during his training. The interview then delves into the historical context, tracing the evolution of presidential control over nuclear weapons from Truman to Nixon, highlighting the tension between civilian and military control. Experts, including a former Secretary of Defense, discuss the rationale behind the current system and the inherent risks. Ultimately, the podcast raises concerns about the unchecked power vested in a single individual to initiate a nuclear war and proposes potential solutions, such as requiring congressional approval for preemptive strikes.