By Jeffrey Goldberg  Bloomberg News     Here are some reasons to
doubt the sincerity of Iran's protestations.  1Rouhani, so far
at least, hasn't indicated that Iran is open to reversing course
on its nuclear program. He has actually said that the regime
will not even talk about suspending uranium enrichment.
2Compared to the previous president of Iran, Mahmoud
Ahmadinejad, Rouhani is a moderate, likable figure. But this is
an example of defining deviancy down. Rouhani obviously looks
moderate when compared to a Holocaust-denying lunatic. Of
course, Rouhani has declared himself to be neutral on the
question of whether the Holocaust actually happened. He has just
done this in a less confrontational way.  3Having a nuclear
arsenal is in the best interests of Iran's rulers. Put yourself
in the shoes of the supreme leader for a moment. You're
surrounded by enemies: Almost the entire Sunni Muslim world
despises you. The Jewish state, for which you have a
pathological hatred, is trying to undermine your security. A