Charles Krauthammer
 Opinion writer February 26 at 8:06 PM 

A sunset clause? 

The news from the nuclear talks with Iran was already troubling. Iran was being granted the “right to enrich.” It would be allowed to retain and spin thousands of centrifuges. It could continue construction of the Arak plutonium reactor. Yet so thoroughly was Iran stonewalling International Atomic Energy Agency inspectors that just last Thursday the IAEA reported its concern “about the possible existence in Iran of undisclosed . . . development of a nuclear payload for a missile.”

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Bad enough. Then it got worse: News leaked Monday of the elements of a “sunset clause.” President Obama had accepted the Iranian demand that any restrictions on its program be time-limited. After which, the mullahs can crank up their nuclear program at will and produce as much enriched uranium as they want.

Sanctions lifted. Restrictions gone. Nuclear development legitimized. Iran would reenter the international community, as Obama suggested in an interview in December, as “a very successful regional power.” A few years — probably around 10 — of good behavior and Iran would be home free. 

The agreement thus would provide a predictable path to an Iranian bomb. Indeed, a flourishing path, with trade resumed, oil pumping and foreign investment pouring into a restored economy.

Meanwhile, Iran’s intercontinental ballistic missile program is subject to no restrictions at all. It’s not even part of these negotiations.

Why is Iran building them? You don’t build ICBMs in order to deliver sticks of dynamite. Their only purpose is to carry nuclear warheads. Nor does Iran need an ICBM to hit Riyadh or Tel Aviv. Intercontinental missiles are for reaching, well, other continents. North America, for example.

Such an agreement also means the end of nonproliferation. When a rogue state defies the world, continues illegal enrichment and then gets the world to bless an eventual unrestricted industrial-level enrichment program, the Nuclear Non-Proliferation Treaty is dead. And regional hyperproliferation becomes inevitable as Egypt, Turkey, Saudi Arabia and others seek shelter in going nuclear themselves.

Wasn’t Obama’s great international cause a nuclear-free world? Within months of his swearing-in, he went to Prague to so declare. He then led a 50-party Nuclear Security Summit, one of whose proclaimed achievements was having Canada give up some enriched uranium.