Despite the devastating economic fallout from the coronavirus pandemic, Britain is making scant effort to negotiate a far-reaching free trade deal in the wake of Brexit that would stave off a costly final separation at the end of the year, the European Union said Friday. EU negotiatior Michel Barnier said his British counterparts keep insisting on unrealistic deadlines and demands that could only lead to a chaotic trade rupture which would mount economic losses on both sides on top of those already expected from the coronavirus crisis. “I am worried,” Barnier said after what he described as another week of...