The John Harvard statue located in Harvard Yard
A few years ago Philadelphia began a campaign to stop tour guides from telling myths and to start studying history before beginning their jobs. They plan to certify each guide with an exam, and fine them for leading tours without this certificate. Philadelphia is the city where the Betsy Ross House is a top attraction, and there is no evidence that she ever even sewed a flag. In my opinion, a certificate should not be required by law, but I would ch