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My name's Hannah Kay and I'm the executive producer at Intelligence Squared.

Tonight is a very special evening for us because we're celebrating our 15th birthday.

And we're also celebrating almost 15 million downloads of our podcasts.

Now I wasn't at Incheon Square quite at the beginning but I have been around for a very long time

and as you can imagine I've seen some pretty amazing speakers on our stage.

We've had Christopher Hitchins and Stephen Fry in our famous Catholic Church debate,

Malala Yuse of Z eye talking about overcoming adversity,

Mary Beard sucking it to Boris Johnson in Greece versus Rome.

But however brilliant our events have been,

for me the best moment is always at the end when I watch you, the audience,

filing out still debating and arguing about what you've heard and that's when I think job well done. And I really want to thank all of

you on behalf of my colleagues at Intelligence Squared for your support and loyalty

over all these years. Fundamentally what Intelligence Square is about is the spoken

word and that's why tonight we're staging this celebration of oratory and the power of words to persuade, to inspire and to change people's minds.

And we have an absolutely amazing cast of speech writers and actors who you'll be hearing from in just a moment.

...