Self-tutoring about US population distribution: the tutor shares a fact that surprises him. Florida (est. pop: 21.6M) has more people that New York State (est. pop: 19.9M). Back in 1980, New York had around 17.5 million, while Florida had around…

Self-tutoring about US geography: the tutor looks up the the term run. In some US place names, you might hear the word Run. Bull Run comes to mind, for instance. What is a run? Apparently, run can mean creek or…