Which wine grape variety is nicknamed 'king of the red wine grapes'?

Must be wine o'clock...

Kiwozzie, Supper time is always wine o'clock for me. When I visit with my Mom-in-law, she will quite often offer me a glass of wine. I cannot be rude, so I always accept. I think she likes to offer me some wine because that gives her an excuse to pour herself a glass of wine to keep me company.

love a good cab sav

good grapes!!