EU leaders are calling for the suspension of a trade pact with the US worth billions of dollars over NSA spying. The 28-nation bloc suspects the so-called ‘Safe Harbor’ deal is being undermined by US espionage and has demanded safeguards for EU citizens. The EU’s top politicians have slammed Washington for a “breakdown of trust” and seek guarantees for the safety of EU customer data. “For ambitious and complex negotiations to succeed there needs to be trust among the negotiating partners,” EU Justice Commissioner Viviane Reding said Wednesday in a speech at Yale University. The Safe Harbor agreement has been...