A truce in the EU-U.K. trade dispute will temporarily calm tensions, but disagreements over the long-term implementation of the Northern Ireland protocol will continue to threaten the continuity of the Brexit trade deal. On June 30, the European Union and the United Kingdom agreed to delay for three months the implementation of a ban on the sale of some British meat products in Northern Ireland, which was set to enter into force on July 1. The ban is a part of the Northern Ireland protocol of the 2019 Brexit agreement, which establishes customs controls at the Irish Sea in order to keep the land border between Northern Ireland and the Republic of Ireland open. The British government argues that the protocol disrupts trade between Great Britain and Northern Ireland and demands a softer implementation of it....