Daily News: Cava’s Image Problem, DJ Khaled Reps Dussé

Your daily dose of news and happenings from around the drink-o-sphere:

– A stash of rare wine dating from the 19th century has been discovered under the floorboards of a Czech castle.

– Residue found on 5,000-year-old pottery shards offers new insight into China’s ancient brewing practices.

– Hoping to produce distinctive California wines, vintner Randall Grahm is breeding 10,000 new grape varieties.

DJ Khaled declares himself the “Dussé Don” as he signs on as an ambassador to Jay Z’s cognac brand.

– Despite the existence of premium Cava, the Spanish sparkling wine faces an uphill battle as it strives to shake its budget image.

– Finally, distiller Dave Pickerell offers his insights on craft distilling and the resurgence of rye.

[Photo: Flickr/Fredrik Rubensson]