What's the deal with "however"? It usually just means "but" or "nonetheless," yet it's trickier to punctuate and place. So why do we use it at all? Just think "whatever." "Whatever" is, after all, the ...

Contrary to popular belief, commas don't just signify pauses in a sentence. In fact, precise rules govern when to use this punctuation mark. When followed, they lay the groundwork for clear written ...