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The problem with all those conflicts is that their roots are so deep down in history that it's sort of no longer possible to decide who "started it." There has always been trouble and unrest in that...

Thanks for the info, Johanna. It does look as if things are calming down in Scotland and Northern Ireland, but it was my understanding that ETA continues its activities -- from this quote in wiki:
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I'm still rather vague when it comes to the geography of the Caucasus region, though I started to have a clearer picture in mind after last year's South Ossetia war.

Here's a link to a good map...

I don't know about the night club but the blown-up train looks very much like a terroristic act. It's early to make any guesses yet but I fear those tragedies might continue and innocent people will...