The US will never accept the UN as the world policeman, Iains. The routine vetos shielding Israel also serve the equal function of bringing the UN into disrepute. Countries that want to be superpowers will always fart in the general direction of the UN. It isn't even a tiger, let alone a paper one.

What has happened at the Gaza border was a massacre. A crowd of mostly unarmed protesters shot at with impunity while the country's leader was making a speech about peace in his newly-usurped "capital." We've reached a new low. Let's hope there's no more to come.