When should Bordeaux launch its 2019s?

This year the pandemic-inspired lockdown put paid to the Bordeaux en primeur campaign that should now be underway. So when should the 2019s be released? The Bordeaux buyer of a leading UK wine merchant assesses the options below, and in Re-thinking en primeur, someone who has been buying bordeaux for half a century makes a concrete permanent suggestion. See also this guide to our coverage of Bordeaux 2019.