A couple of weeks ago, we set the scene for a conversation between a retired police captain and a retired naval captain.  One is pro pot, the other, against.  The idea being it's always good to try and understand where the "other" side is coming from.

So, this week, the two captains face-off.  The idea isn't to convince the other he's right, it's merely to clearly understand the arguments of those for and against the non-medicinal use of cannabis.