“To judge from the entrance the dawn was making, it promised to be a very iffy day -- that is, blasts of angry sunlight one minute, fits of freezing rain the next, all of it seasoned with sudden gusts of wind -- one of those days when someone who is sensitive to abrupt shifts in weather and suffers them in his blood and brain is likely to change opinion and direction continuously, like those sheets of tin, cut in the shape of banners and roosters, that spin every which way on rooftops with each new puff of wind. ”