Watch GPS June 14, 2009: Scandal in the Iranian Elections?; CNN Celebrates the One-Year Anniversary of GPS

This has been an extraordinary few days in Iran. Since the elections, in which a record 80 percent of voters turned out to cast their ballots, the Iranian government has announced the President Ahmadinejad has been re-elected with 62.6 percent of the vote. The challenger, Mir Hossein Mousavi, got 33.7 percent. The two other candidates got less than 1 percent each.

My own sense is that the vote appears to have been rigged. Mousavi had been drawing huge crowds, generating enormous enthusiasm, and getting bolder and bolder in his criticism of the president - all of which suggested that he saw himself as having strong momentum going for him, as did many, many observers.

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I wouldn't exaggerate what's happening here. This is not good news. Ahmadinejad won. But it certainly suggests that we are not up against a monolithic Iranian nation, hell-bent on nuclear weaponry.

That's my take now. We'll get some on-the-ground perspective from Christiane Amanpour, and then a panel of Iran experts to dissect the news further.

And finally, a retrospective of GPS, which is now one year old.

Read the full transcript here.