From PRI, Public Radio International and KCRW Santa Monica, this is To the Point.

Iran and nuclear brinksmanship.

Hello again, I'm Arminolny, and this is To the Point from Public Radio International,

a daily look at the issues Americans cared about most.

Yesterday, time ran out for Iran

to meet the UN Security Council's deadline to stop enriching uranium. President Ahmadinejad

says that will never happen. The International Atomic Energy Commission reports that enrichment

did indeed begin again in the past few days. So what does the UN do now? On to the point, what's the evidence

that Iran is using enrichment technology

to build a nuclear bomb?

Is the case any better than the one against Saddam Hussein?

What would economic sanctions look like?

And what if diplomacy doesn't work?

On reporters' notebook later on,

Andre Agassi and America's future in tennis.

First, here's the news.

Support for To the Point comes from subscribers of KCRW Santa Monica and from the Public Radio International Program Fund,

whose contributors include the Ford Foundation and the John D. and Catherine T. MacArthur

Foundation. Hello again. Warman Alney, back with To the Point. Now that Iran has refused to stop

enriching uranium, the U.S. is building the case for economic sanctions on To the Point,

what would they look like? Are they likely to work? And what's the evidence that Iran is trying

to develop nuclear weapons? On reporter's notebook,

...