ANDREW KLAVAN: A Mainstream Media Glossary: “After watching and listening to mainstream media news reports of the presidential race, you may have begun to realize that our journalists use words in a different way than the rest of us. This is because they are highly trained news experts who have developed a precise technical language in order to explain things more exactly. So to help you decipher their coverage, I’d like to offer a partial glossary of terms that may come in handy over the next couple of months.”