Voir en français : Ouverture des esprits, la longue marche
Here is a modest, clever and spectacular contribution to the opening of minds.
Technically, it is difficult to do better.
As for the content, it is exemplary (there is a debate) and educational (presentation of the problem and of some ideas).
However, do not expect anything in terms of action (we are not here for that)… The professional philosopher concludes with a pro domo plea: let’s keep thinking!