But he still thinks the pessimism is overblown.
但是,他仍然认为,这种悲观情绪被过分夸大了。
Yet the pessimism of the 1950s has proved overblown as well: nuclear weapons have proliferated much more slowly than many feared at the dawn of the atomic age, and stockpiles have dwindled since the height of the cold war.
然而,20世纪50年代也对核武器的悲观情绪进行了过度渲染,事实证明:核武器扩散速度比在人们担心的原子能初期放慢了许多,核物质储备也自冷战高潮以来减少。