There is lot of hypocrisy around on the nuclear issue. Either nuclear weapons are bad for all or everyone is free to develop one. What do you mean by a responsible state? Is US a responsible state with the nuclear weapons? Are the kinds of reasons used for Hiroshima and Nagasaki justifiable?
U.S. to deliver 8 advanced F-16s to Egypt on July 30-31, U.S. embassy in Cairo says (Reuters)
from the article: Ahmadinejad can continue to smile while the world argues