A lot about the birthing experience has changed during the past 50 years. A lot about child psychology hasnf_(tm)t. For example, sibling rivalry: sometimes, a kid just isnf_(tm)t ready for some little squirt to come along and invade his space his own room. So what if theref_(tm)s an extra bed in the room_Yisnf_(tm)t that were the stuffed animals are supposed to sleep? How could a couple of otherwise sensible parents just bring a new kid home without even consulting their very own son? Still, a younger sibling can be ....