In his profound exploration “Art in a State of Siege,” Joseph Koerner delves into the complex relationship between art and political unrest, uncovering how masterpieces serve as reflections of society’s turmoil.Through a detailed analysis of iconic works by Hieronymus Bosch and Max Beckmann, Koerner illustrates how these pieces not only encapsulate the anxiety of their times but also resonate with contemporary viewers facing modern crises.