A cab company in Missouri has rolled out a new rule for the COVID-19 vaccinated: If you’ve taken “the injection,” you’ll be denied service. The same rule applies to wearing a mask. “We kind of just let them know up front that we don’t allow masks in the vehicle. I ask them if they’ve done any ‘shots.’ I don’t get into the why’s with customers. I ask them to do their own homework,” Charlie Burlington, owner of St. Louis-based Yo Transportation, told The Epoch Times. Likewise, Burlington said he won’t serve customers carrying guns or marijuana, even with a doctor’s prescription, as a matter of policy. “We have a ton of safety protocols,” said Burlington, 52, though none of them has been as hotly controversial as not serving people who’ve been vaccinated against COVID-19. “I’ve been called a dumb-ass cab driver. ‘You don’t know [expletive]!’ ‘You’re not a doctor.’ A …