They don't know unsustainable tensions. If only, at some time in the last 60 years, the nations of the world had stopped making pronouncements and said to the parties - and to the whole Arab world - "Here's the deal - two nations with defined borders. Live with it!"
AG examines probes deal by new police chief Hirsch's security firm (Haaretz)
from the article: World leaders at G8 summit: Current Gaza tensions unsustainable