[jandrewrogers]

Keeping the Arab world from building their own nuclear weapons has long been contingent on Iran not having a nuclear weapons program. It only benefits the US to the extent it prevents the situation where half the countries in the Middle East having nuclear weapons.

[PeterHolzwarth]

Good lord, it benefits far more than just America if the broader middle east doesn't enter into a rapid nuclear weapons proliferation stage. Iran is considered to be a very serious enemy throughout much of the middle east. A nuclear armed Iran is a very bad idea.