How did English sparkling wine become the new champagne?

The end-of-year holidays are now just two weeks away, and for many people around the world, late December is synonymous with bubbles. Here in France, the crème de la crème is champagne. But in this Entre Nous, we're focusing on another sparkling wine that is absolutely booming – out of England.  Several months ago, an English fizz became the first non-champagne to be named the world's top sparkling wine. British wine expert Julia Harding tells us more. 

How did English sparkling wine become the new cham...