The United Nations has faced criticism for decades over its effectiveness, especially its means to resolve conflicts and ease the suffering of the most vulnerable.Many argue that veto powers held by its Security Council permanent members, China, France, Russia, the United Kingdom and the United States, create an uneven balance of power.Delegates from 46 of the poorest nations have come together in Doha for the fifth conference of the UN's least developed countries.But does the UN need to be reformed first, as critics say, to make progress?The UN General Assembly President, Csaba Korosi, talks to Al Jazeera.Subscribe to our channel http://bit.ly/AJSubscribeFollow us on Twitter https://twitter.com/AJEnglishFind us on Facebook https://www.facebook.com/aljazeeraCheck our website: http://www.aljazeera.com/Check out our Instagram page: https://www.instagram.com/aljazeeraenglish/@AljazeeraEnglish#Aljazeeraenglish#News