Los Angeles funded and enabled a massive population of drug addicts to set up tent camps and banned effective ways of killing vermin. Medieval diseases returned. What’s to blame? Global warming! The county health department’s report indicates that California also had the highest number of flea-borne typhus cases in the modern era at 277. Number 1 in the modern era. Or perhaps California is going medieval. Shannon Bennett, the chief of science and a microbiology curator at the California Academy of Sciences, said the disease has been around for centuries and is “as old as the plague.” “It’s always a...