The NPT became a stick with which to beat political enemies and to reward friendly nations. India, Israel, Pakistan, and North Korea all have nuclear arsenals, have not signed the NPT and have suffered no consequences. It is only Iran who has no nukes and yet must have toes held to the fire.
Palestinians report IDF airstrikes on Islamic Jihad targets in southern Gaza Strip (Haaretz)
from the article: IAEA: Iran refuses access to suspect nuke site