You support Iran having nuclear weapons in order to keep Israel in check? You're delusional if you think you'd like a world with the people running Iran in charge.
MAD is a well established doctrine for deterrence. The people running Iran are running Iran, not the world. The people running Israel however have undue influence on my and many other countries.
> Israel's nuclear capacity
shhhhhhhh we're not supposed to say the secret part out loud!