Diary!

I would be surprised if the police in one country holding such a meeting do not discuss their strategis with police from countries that has recently had meetings.

I rather think that the opposite is true: what we saw was a series of panic reactions of the powers-that-be to a challenge they were unprepared for, and previous events in other countries were considered only via the media (e.g. police's and politicians' views of 'the enemy' included the strong distortions of the media). I emphasize that by panic reaction, I do not exclude consciously planned subversive actions, above all what Italian police did in Genoa 2001.

_{*Lunatic*, n.
One whose delusions are out of fashion.}