A European Union plan to detect terrorist financing by allowing investigators access to financial messaging information has met strong opposition from European lawmakers concerned about data privacy rights and budgetary constraints. Under three proposals floated Wednesday by the European Commission, the EU's executive branch, European investigators would get access to personal data on wire originators and recipients from the Society for Worldwide Interbank Financial Telecommunication (Swift). The new capability, to be called the Terrorist Finance Tracking System (TFTS), would replace a formal mechanism by which U.S. investigators, operating under a June 2010 agreement, can also scrutinize the data for terrorist...