A critically acclaimed young adult author has been “canceled” and dropped by her agent after vociferously defending classic books in a Twitter-fueled rage. Jessica Cluess, the author of the popular “Kingdom of Fire” series (among others) picked a fight with an anti-racist and anti-bias educator Lorena Germán who founded the #DisruptTexts movement which aims to get more works by people of color into schools and to look critically at works by famous white “classic” authors. “Did y’all know that many of the ‘classics’ were written before the 50s? Think of US society before then & the values that shaped this...