Fukushima: A Nuclear Nightmare (now streaming on HBO Max) debuts 15 years to the day since the world’s second-worst nuclear power plant catastrophe occurred, and to paraphrase one of the documentary’s talking heads, it’s about two disasters: one natural, and one “entirely manmade.” British director James Jones tackles his second nuclear-reactor saga after 2022’s Chernobyl – The Lost Tapes, and the films are similar in their assemblage of real-time footage taken the day of the calamity and during the following