Did Cocktail Diplomacy help Trump- Kim summit?

It was tense in Singapore as the city and the world nervously awaited the meeting between President Trump and North Korea's Kim Jong Un.

Perhaps what everyone needed was a little cocktail diplomacy?

Before the historic meeting, Radio 4's The World Tonight asked Richard Godwin the author of 'The Spirits: A Guide to Modern Cocktailing' to imagine a remaking of the famous Singapore Sling for this very special occasion.