The conflict in Ukraine and Gaza has given rise to the most demanding and exhausting period for the United Nations since the beginning of the century . The war in Iraq shocked the world and lit the fuse once and for all on the new global disorder of jihadist terrorism . So, while the initiatives for Ukraine have been showing signs of fatigue for months (Russia has blocked them all), those it has put forward for Gaza have also been doomed to failure: the United States vetoed a permanent humanitarian ceasefire resolution for the third