Yesterday Kofi Annan gave the US an earful, today he's having a go at the quartet (US, Russia, the EU and the UN) for not doing enough to end the Israeli-Palestinian conflict.
When most people get the boot from a job they find themselves down at the pub with some mates slagging off at their old boss and some of those pricks from the office that they never got along with. When you are the UN Secretary General you get to mouth off at whole countries who happen to have a massive nuclear arsenal at their disposal.