Well, if you're not familiar with the concept of guilt, breaking your kid's arm will definitely get you well acquainted with the term. So Saturday night, in the middle of our usual changing-into-pajamas wrestling match, I must have pulled Iris's arm too much because I dislocated it! It is a disturbingly common affliction called Nursemaid's Elbow. Man I'd hate to be the nanny for which this term was coined! Anyway, I think the emergency room was more traumatizing for Iris than the pain. Temperature taking, pulse and poking and prodding. All standard for us, but for a kid who's already exhausted from the previous night's slumber party and with parents who are freaking the heck out, it must have been pretty scary. So we're sitting there in the exam room, waiting for a doctor. My mother has shown up to care for the new baby but I can tell from the wails floating down the hall that she's having some trouble quieting her. I'm pacing, unable to help ei...