The discussion on the "raising minimum age for hold office" thread remarked on how unusual an age 23 cutoff is, further evidence that this is all about going after one particular candidate. Here's one other appearance -- coincidental, I'm sure -- of the age 23 cutoff; in Missouri, that's the age one has to be to get a license to carry a concealed firearm. (In most other shall-issue states, the age is 21, and in most of the remaining ones it's 18.)

It's also the age one has to be in Alabama, Ohio, Virginia, or Wyoming to be a mine foreman (in Ohio, only as to "gaseous underground mines"), in Arizona to be a cosmetologist without having "at least two years of high school education," in Kentucky to be a barber member of the Board of Barbering, and in Pennsylvania to be a barber-teacher.