No, we shouldn't. There may come a time for that, but it's not quite yet. I think the Mullahs are on the verge of falling, and just need a shove. For a lot of reasons -- including with American politics -- it'd be lots cheaper and more effective if we concentrate right now on giving the shove.
While we're waiting for internal change, the current regime will develop a nuclear bomb with the ability to deliver it.
Iran is allied with the terrorist organizations, and with Syria, North Korea, Cuba, and Venezuela.
The UN is a joke.
We should attack Iran right away.