Ethnic history is American history. California became the first state to recognize that truth. Last month, Gov. Gavin Newsom signed a comprehensive Ethnic Studies law, making California the first in the country to make courses covering the political, social, and historical perspectives of various ethnic groups a requirement to graduate from public high school. Schools must offer courses by 2025, but students aren’t required to take them until 2029. “It’s been a long wait,” sa