By Chris Hughes Iran’s near-deadly 300-strong revenge barrage has pushed the Middle East to the nail-biting brink of all-out war between two bitter enemies. As Israel plots its next move on Tehran western diplomats are desperately trying to pressure it not to set the region alight with an explosion of violence. Israel’s war cabinet knows it is already facing international condemnation for the deaths of so many Palestinian civilians in the war on Hamas in Gaza. US President Joe Biden is leading the way, along with the UK, in condemning Iran’s strikes but also pressuring Israel not to knee jerk …