Should you buy Bordeaux en primeur?

I am right, you are wrong, he is deluded. En Primeur is an irregular verb.

It's early April and you are at home. Or at work. Or putting up Coronation bunting. But others are not. Others who are important and influential in the world of wine. They are in Bordeaux for en primeur week. Bordeaux is home to around 40% of the world's Merlot and - for the next week or so - temporary home to around 90% of France's executive limousine …