Pietro Boselli, an Italian engineer and model who’s been called the “sexiest math teacher in the world,” apparently visited Fresno this week en route to Yosemite, based on his social media postings.

I know my calculus and it says Pietro Boselli plus me equals us. If you don’t know who Pietro Boselli is already, you can thank us later: Boselli is a 26-year-old top fashion model who also happens to ...