The dust is settling on the 2015 General Election campaign.
At this time it is useful to reflect on the effectiveness of debate in persuasion.
Politicians are involved in a form of apologetics: they make a case for their own policies and present objections to those of their rivals. The most memorable moments are not the quality of the arguments, but the rhetorical flourishes and stirring sound bites. They are risky. Sometimes they add to the arguments made, but other times they can detract.
