Claire woke up no less than nine times last night. Each time with an agonizing scream that pierced my heart. Needless to say, I got very, very little sleep. I decided to take her to the doctor this morning in order to ensure that there was nothing physically wrong with her. I was particularly concerned that she might have an ear infection because the symptoms of an ear infection are very similar to those of teething. Our pediatrician declared Claire perfectly healthy, albeit a bit cranky. She remarked on Claire's great hand-eye coordination, her terrific balance, and even her clean ears. After checking her mouth, the doc showed me how her top middle gums were painfully bulging with some white showing underneath. "It...