(This is part 5 of a series called "Wax On, Wax Off!") (This posting was started on July 26.) Today there was a palpable energy shift. An overnight thunderstorm and a bit of rain broke the heatwave's grip on us. I awoke early and sat, still and open, outside in the blessed coolness while pairs of squirrels ripped and careened in spiraling doubletime through the leafed out branchwork of the tall maple behind the house. Today's chautauqua is on Swiss Army Knives. A Swiss Army K