California’s voter registration form looks like it was written by a chimpanzee. Fix it.

To vote in the GOP primary, you’ve got to be a registered Republican. My guess is that most right-leaning, independent-thinking AIP members would side with Trump. Fortunately, it’s not too late for these Californians to correct their mistake. They’ve got until May 23 to reregister as a Democrat, a Republican or with no party at all. The latter is officially...