A “rebalancing mechanism”. Add that to your glossary of EU-speak. It’s a key tool in European Commission President Ursula von der Leyen’s latest attempt to finally get the EU-Mercosur trade deal done. Effectively a dispute resolution procedure, the rebalancing mechanism allows one side of the deal to claim compensation in cases where the trade deal has negative impacts on them. This mechanism is the first of its kind in EU free trade negotiations. It’s a symbol of how fraught the 25 years of negotiations have been to get to this point. For proponents of the deal, the finish line is…