World history classes have only a limited amount of time during the school year to cover millennia of important events. It makes sense, then, that some things aren't taught in school. That can make ...

1. San Diego was recently ranked among the top 10 most expensive cities in the U.S. What position did it hold on the list? B) 5th C) 7th D) 9th 2. Which San Diego religious leader visited an ...