Hello everyone and welcome to Ammanpur. Here's what's coming up.

Reporting from Windsor, a royal welcome for President Trump on this historic second state visit.

I speak to Trump's supporter, Gordon Sondland, who served as the U.S. ambassador to the EU under Trump

1.0, and Britain's former ambassador to the U.S. Sir Peter Westmacott.

Plus, as the U.S. and UK agree on a tech pack, the inventor of the World Wide Web, Tim Berners-Lee, tells Walter Isaacson why he's optimistic about AI.

Welcome to the program, everyone. I'm Christiana Manpur in Windsor, inside the castle grounds, where Britain is throwing all the royal pageantry that it can muster at President Trump

for the US leader's unprecedented second state visit here. With national anthems, military parades, aerial flypast and a state banquet to be hosted here at Windsor Castle, which is decked out in Stars and Stripes.

The President and the First Lady were greeted earlier by the King and Queen.

The Prince and Princess of Wales were there as well.

Then a procession of carriages made its way through the Windsor Estate.

The President and the King riding in the first, the queen and first lady riding in

the second. One thing the US president won't see much of though, the British people.

For the public here, Trump is unpopular, according to most polls. But over in London, protesters

did make their voices heard. Royal correspondent, Max Foster, is here with me,

and we're just going to discuss this first day

of this incredible state visit.

So nobody can be, you know, sort of,

unimpressed by what, or J did, by what this event actually is.

It's so unbelievable the way the British do it. But what is the underlying

hope for them for Trump? That he had a good time. Literally, that's how the palace has described it.

That's their job today to show him a good time. And frankly, to ingratiate him and to show him

that he is the most special visitor that

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