Karma - or the belief that the universe is organized according to cause and effect - is the kind of subject that invites us to make fools of ourselves. Either we can treat the notion as something unworthy of serious consideration - in other words, as a joke - and in the process belittle a belief system that offers perhaps the best explanation for life's difficulties and disparities; or you can pretend to be some kind of great teacher or guru who understands the underlying workings of the universe, and in the process invite a bolt of lightening to hit...