PS 103A: California Politics. Why Did California Become a Political Island in the 2010 Elections?. Explanation #1: California has always been politically wacky Explanation #2: California has changed Policy Change : early-1990s decline in defense spending
Taken from Frederick Douzet and Ken Miller’s chapter in The New Political Geography of California.
Evangelical Share of California’s Population 1971-2000, by Region
Taken from Ariane Zambiras’ chapter in The New Political Geography of California.
Power and Politics in California,
John H. Culver and John C. Syer, 1980