Here at the end of 2016, migration issues are once more the subject of heated international debate.

After eight years as Ambassador to the UN, I see little genuine appetite for reform of the Security Council.

Today more than ever we need leaders who are visionary, have integrity and strive for equity. These leaders need to be diplomatic and efficient to make things happen, but nasty enough to fight the battles that need to be fought in order to transform this world and to make it a world worth living in.