The little girl and boy were screaming. Not the bad screaming. Not Mia’s screaming. Lucretia stood in the outer schoolyard, looking through the fence that separated her from the scene of the crime she had created two months prior.  Of all the kids packed into the limited pen designated for kindergarten students, her eyes and ears couldn’t help but track the running, laughing—For now, she thought—screaming little girl and boy, engaged in the age-old interplay: the fluttering of the little girl’s long hair; the little boy’s outstretched hand; the former barely outrunning the latter, whether by choice or biology, laughing, screaming, most times out of exhilaration, sometimes because a primitive thought told her she was in genuine danger; the way the invisibly tethered pair navigated the other children, who were merely sitting ducks oblivious to the fast-paced game of tandem sparrows; the little boy finding a latent gear, accelerating, reaching…