A muggy summer day at a backyard birthday party in Gilroy. Drinks, barbecue, kids in a pool full of inflated toys and rafts.  I shooed a bee away from one youngster as he sat on a diving board, chomping on a hot dog. My kids, ages about 5 and 9 back then in the mid-1980s, got to squabbling, so we bugged out early, to Fresno.  Not ...