What's wrong with the Northern Irish and Kurdish cases?

Sisyphus is the name of a king in Greek mythology. Accordingly, he was punished and condemned by gods to roll an immense boulder up a hill, only to watch it roll back down and then to repeat this action forever. Again and again.

Peace processes are exactly like this. After struggling for decades to bring the process up to a certain point, one single incident can make the boulder roll all the way down. 

This is true not only for Turkey. The Northern Irish peace process which has always been cited as a success story for Turkey is also having hard times these days.

Last August, former IRA member Kevin McGuigan Sr. was shot dead at his home in Belfast which, according to the police, was committed by the members of the IRA. This sparked arguments that the IRA still exists, although it announced in 2005 that it was disbanding all its military structures. 

Upon that last week, three well-known Republicans were arrested, all of them senior members of Sinn Fein, which is the political wing of the IRA.

Right after that, Northern Ireland?s First Minister (which is equivalent to prime minister) Peter Robinson resigned along with other ministers in his cabinet.

Now everyone is trying to understand: Had the IRA not made peace after the ?Good Friday Agreement? in 1998?  Had it not left arms and dissolved in 2005? Is the peace now broken?

Prof. Bill Park who is an expert on the Northern Irish case and lectures high ranking soldiers on this subject at the Defence Academy of the U.K., says the process has not failed or come to an end. According to him, this incident has only revealed that the IRA still exists and has not totally disarmed.

?Actually the politicians, intelligence, army, everyone knew this. Yet they...