The Dirty Girls are back, saucier and sexier than ever....but would it be wrong to ask them to be a little smarter, too Especially when it comes to men. And sex.Lauren Fernandez is at the top of her game as the cleverest columnist the "Boston Gazette" has on board--but she can't quite figure out how to pick a guy or how to eat (and not drink) like a healthy person. Usnavys is still sashaying all over town, 260 pounds of her dolled up in designer duds...