The U.S. has halted a technology trade deal with the U.K., after officials in Washington became frustrated with the pace of progress, the Financial Times reported on Tuesday.Announced in September during President Donald Trump's state visit to the U.K., the "technology prosperity deal" is a sweeping agreement aimed at encouraging collaboration between the countries on tech like artificial intelligence, nuclear fusion, and quantum computing.At the time, Trump said that the deal would "ensure our countries le ...