Sometimes, a lawsuit sheds such interesting insights on the world of financial planning, it becomes impossible to resist making a small mention of it on this blog.   I will not write about the legal issues raised by this case as I expect a lot of more qualified folks to discuss this negligence case in the next few months.   Just two points before my classes start :   A) Persistency ratios.   The insurance industry tracks this very interesting ratio which tracks the percentage of policies sold by an advisor that are still in force after a certain period of time. So if an agency has a 13 month persistency ratio of 10%, it means that after 13 months, 9 out of 10 policies are no longer in force, consumers have have cancelled those policies within that year.   Sadly, the industry does not have a standardized mechanism to define what a persistency ......