Fleeting Thoughts  By Ashvini Ranjan  In my eight decades on this earth, I have acquired one priceless piece of wisdom. If you are desperately looking for a doctor, investment adviser, chartered accountant or computer engineer, you can easily find one. But if you urgently need a plumber, electrician, carpenter or dhobi, they instantly become rarer than a tiger in the wild.  The moment the maid doesn’t turn up,...