Claire and Aerin are now halfway through their first summer camp experience. 8-)   The camp is run by Claire's Montessori school; it is set during the hours that would otherwise be taken up by classes during the school year. And while the school continues to run educational programs and activities at camp, these summertime sessions tend to be less structured with more "fun" activities like outdoor games, messy art projects, visits from exotic animals and their handlers, and even field trips. For a small additional fee, children ages 3 and over — like Claire! — can take a bus to the local pool and take 2-hour group swimming lessons twice a week. Aerin's first week was admittedly tough with some tears and extra clinginess toward her mommy. But...