Sure, Rick Dykstra held the thing back until Dion showed up in town for maximum effect. Sure, its just a rehash of an old joke told many times about many different world leaders. Sure, if the Conservatives were seriously upset they would have, as Kinsella suggests, called in the police. But oh! what a stupid thing to put in a piece of campaign literature.
Say sorry, and it goes away after one day. Don't, and it stays an issue.
Stupid assassination joke is on page three of this.
Update: Apology made. Incident over