DANGEROUS CURVES AHEAD Sugar Jamison Ellis Garrett is dumping her critical boyfriend, opening a plus-size clothing store, and starting a blog--all to spread the word that fashion shouldn't require a size-two body, and happiness should allow for the occasional cupcake. Or two. But is indulging fantasies about her sister's long-ago ex, the still-hunky Michael Edwards, biting off more than she can chew? Mike must be losing his detective's touch. He doesn't...