TEHRAN: Mahmoud Ahmadinejad said the Islamic Republic was ready for dialogue on “challenges” facing the world but made clear Tehran would not back down in a dispute over atomic activities which the West fears are aimed at making bombs. Hesnubbed US President Barack Obama’s end-September deadline to talk to world powers on its disputed nuclear programme, Iran has a right to hold nuclear power and we will never negotiate on this our national's right,conclusion:now what united states and the world other nations who has already this techonology reacts.Why not united nation decide one decision for all nations -destroy all atomic and nuclear weapons at the same time .No one should be atomic and nuclear state,if this decision takes it comes peace for all.But how would u justify this that u make urself atomic and nuclear state and stop other not to do so.Its also comes against the basic human rights.Every nation has a right to make preperation for defence .Japan ,china should Germany France should play a vital role in united nation to resolve this issue.