As 2023 dawns, Ray Bradbury’s groundbreaking work about censorship, “Fahrenheit 451,” will celebrate the 70th anniversary of its publication. The question is, will this milestone year be greeted with rejoicing that the United States has not become the dystopian world Bradbury created in 1953? He was inspired by Nazi book burnings, the McCarthy era, and ideological repression in the Soviet Union. Given the current challenges to the freedom to read, particularly for young readers, any commemoration of this anniversary would be tinged with a certain amount of irony. According to PEN America, in one year, between July 2021 and June...