California has struggled for five years to create a politically palatable “ethnic studies” curriculum that would teach high schoolers how systemic racism, predatory capitalism, heteropatriarchy and other “structures of oppression” are foundational to American society. Now, after more than 82,000 public comments, and four major rewrites, the state Board of Education is expected to approve the latest version next week, clearing the way for lawmakers to make a semester-long course in the material a graduation requirement for all of California’s 1.7 million high school students. The latest curriculum, however scaled back, still shares similarities with an earlier, rejected draft that a top state official said failed to comply with state law, and the Los Angeles Times editorial board characterized as a jumble of “politically correct pronouncements” that feel like “an exercise in groupthink, designed to proselytize and inculcate more than to inform and open minds.” When all is said and …