To become a bus driver, you have to be cut of a certain cloth. In addition to the regular, quiet citizens you drive back and forth, you sometimes have to deal with people who are loud, arrogant, dirty or otherwise annoying.
Margaret had never had a passenger like this. In the ten years that she has been behind the wheel of a bus, she has seen almost anything you can think of. Drunks, beggars, she has had to kick quite a few passengers off her bus because they were a nuisance to others.