Yesterday, I received a sample diaper in the mail. I'm not sure where they got my name and address (probably from one of the many online pregnancy communities to which I belong), but the gesture was appreciated nonetheless. "Do you know how to change a diaper?" I asked J. "No." "Why don't you practice on this teddy bear? Or the dog?" He looked at me like I was crazy. Can you guess where I got the idea from? If you guessed the promo clip for tonight's The Office one-hour special event, you're correct! I am so, so excited to see Jim & Pam's baby. When I first became pregnant last August, one of the first things that popped into my head was, "Ooh, I'm gonna...