This week, the Iranian government staged a funeral for nuclear scientist, Mosin Farisadei.

It lasted for days. His body was taken from shrine to shrine. The coffin was covered in flowers.

Sometimes it was followed by a band.

All this was broadcast on state TV, where government officials said, Fakhrizade was a martyr.

They even showed pictures of the wreckage on the highway where the

scientist was killed early Friday morning, an assassination many are blaming on Israel.

But while Iranian officials were mourning, American diplomats were worrying, that Farisade's

death could overturn years of nuclear negotiations. That's why I called

up Trita Parsi. He's chronicled the U.S. Iran relationship, often from behind the negotiating table

itself. And he says, when he got word of Farisade's death, it was was simultaneously big, awful news and almost expected.

If I'm not mistaken, this was the day after Thanksgiving, so I was hoping to go to the gym.

That did not happen. Instead, I ended up having to try to figure out what has happened and give a lot of

interviews and try to shed light on what this actually means.

If it sounds like treatise being flip, it's because he'd been waiting for a shoe to drop between the U.S. and Iran.

Over the course of the Trump presidency, he's watched this relationship simmer.

First, Trump pulled out of the Iran nuclear deal.

Then he okayed the assassination of an Iranian general. The transition from one president to the next seemed like a moment

that all this could boil over. It was clear that the Israelis and others who were opposed to the

deal and who are opposed to the idea of US-Iran relations improving,

would try to take advantage of the last couple of weeks of Trump

in order to damage Biden's prospects as much as possible.

I didn't know that it would be an assassination or not,

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