Punctuation is about rhythm. Writing is about communication. And I start sentences with "and" all the time. I hardly know my grammar rules and I don't care. Bu

Punctuation is about rhythm. Writing is about communication. And I start sentences with "and" all the time. I hardly know my grammar rules and I don't care. But I do care about making sure that writing is clear. That's the basic rule I've applied to the hundreds of books that I've edited. Oxford comma. Huh?