Being an informed citizen is not always easy. You want to know what's going on to stay

up to date with the big news stories that affect your fellow humans across the planet.

But the non-stop deluge of important events makes it difficult to completely understand

the headlines. This is where we hope the explanation from the BBC World Service can help.

I'm Anu Anand and in this series I asked some of my BBC colleagues to help me break down

big global news events using archive recordings made on the ground to make sense why these stories

are important. Many Iranians have been protesting since last Friday protests that quickly turned

into calls for regime change. Today we look at Iran. It's Islamic revolution and we ask

can Iran ever change? This is the explanation from the BBC World Service. Iran's theocratic

rulers are perpetually at odds with America and many Western countries.

States like these constitute an axis of evil. But how did this deep and bitter enmity begin?

And what impact does it have on Iran and the rest of the world? Stay with the explanation

for the next 15 minutes to understand how religion and politics in Iran combine to dominate

its policies and what it would take to change that.

I'm ready. I sure.

Rana Rahimpur was born in Iran and is a journalist for BBC Persian, the Farseh language service

that broadcasts globally from London. She's perfectly placed to help me understand Iran

from both the personal and professional perspective. In 1979, four years before Rana was born,

an event like no other in Iran's modern history was broadcast to the world, an event that would

profoundly shape her life and the lives of millions of Iranians.

This is a man they call the father of the revolution and this is the moment that millions in Iran

have been waiting for. After his long years in exile, the first hesitant steps of Ayatollah

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