It is a moment few could have imagined just a few years ago but the Syrian president, Ahmed al Sharaa, has arrived in Washington for a landmark series of meetings, which will culminate in a face-to-face with Donald Trump at the White House.
His journey to this point is a remarkable story, and it’s a tale of how one man went from being a jihadist battlefield commander to a statesman on the global stage – now being welcomed by the world’s most powerful nation.
Mr Sharaa became leader of Syria after the fall of the Bashar al Assad regime in December last year.
Before that he went by the nom de guerre Abu Mohammed al Jolani.
During Syria’s brutal civil war, he was the leader of the Nusra Front – a designated terror organisation, the Syrian branch of al Qaeda.
Back then, the thought of him setting foot on US soil and meeting a US president would have been unthinkable. There was a $10m reward for information leading to his capture.
So what is going on? Why is diplomacy being turned on its head?
After 14 years of conflict which started during the so-called Arab Spring, Syria is in a mess.
Mr Sharaa – as the head of the transitional government – is seen by the US as having the greatest chance of holding the country together and stopping it from falling back into civil war and failed state territory.
But to do that, Syria has to emerge from its pariah status and that’s what the US is gambling on and why it’s inclined to offer its support and a warm embrace.
By endorsing Mr Sharaa, it is hoping he will shed his past and emerge as a leader for everyone and unite the country.
Holding him close also means it’s less likely that Iran and Russia will again be able to gain a strong strategic foothold in the country.
So, a man who was once an enemy of the US is now being feted as a potential ally.
There are big questions, though. He has rejected his extremist background, saying he did what he did because of the circumstances of the civil war.
But since he took power, there have been sectarian clashes. In July, fighting broke out between Druze armed groups and Bedouin tribal fighters in Sweida.
It was a sign of just how fragile the country remains and also raises concerns about his ability to be a leader for everyone.
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Nonetheless, Mr Sharaa is viewed as the best chance of stabilising Syria and by extension an important part of the Middle East.
Get Syria right, the logic goes, and the rest of the jigsaw will be easier to put and hold together.
The visit to Washington is highly significant and historic. It’s the first-ever official visit by a Syrian head of state since the country’s independence in 1946.
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The meeting with Donald Trump is, though, the really big deal. The two men met in Riyadh in May but in the meeting later today they will discuss lifting sanctions – crucial to Syria’s post-war reconstruction – how Syria can help in the fight against Islamic State, and a possible pathway to normalisation of relations with Israel.
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The optics will be fascinating as the US continues to engage with a former militant with jihadi links.
It’s a risk, but if successful, it could reshape Syria’s role in the region from US enemy to strong regional ally.
