★★ A few nearly unnoticeable drops of drizzle became a soaking mist in the course of the brief wait in the schoolyard for the teachers to arrive. Then came plain gray and damp. The very top of the Freedom Tower’s spike was lost in the sky. Even after the ground had dried out, it was uncertain whether the clouds might start leaking again. The air in the office progressed from too hot to much too cold. Faint colors emerged in the sky on its way to darkening.