"decisive moment is a bourgeoise term for a photograph reflecting not more than a good reaction from a photographer" David Douglas Duncan had a fight with words with HCB in a Paris cafe: DDD accused HCB for fooling a complete generation of young photographers to wait for the "decisive moment" that NEVER CAME... and losing their chance to depict reality and history at the same time... The "thing" is to shoot and observe, edit later.. You never know what´s going to happen and also if the action and drama already peaked....