Over at Opinio Juris, Duncan Hollis notes that for the first time the United States has entered into a treaty (two of them, in fact) with the European Union. There were prior treaties between the United States and the European Community (EC), but those were restricted to economic issues that were within the competence of the EC before it was incorporated into the EU by the 1992 Treaty of Maastricht. The current US-EU agreements deal with extradition and mutual legal assistance.