Nuclear summit between U.S. President Donald Trump and North Korean leader Kim Jong Un ends in no deal

The failure of U.S. President Donald Trump and North Korean leader Kim Jong Un to secure even a limited deal at their second nuclear summit means any breakthrough now depends on working-level talks that have made little progress since last year. The sudden collapse of talks on Thursday highlighted just how large the gulf between… Read More Nuclear summit between U.S. President Donald Trump and North Korean leader Kim Jong Un ends in no deal

BlackBerry files lawsuit against Twitter over patent infringement

BlackBerry Ltd on Wednesday filed a patent infringement lawsuit accusing Twitter Inc of illegally using technology in its mobile messaging applications that had been developed by the former smartphone maker. The lawsuit said Twitter wrongly sought to compensate for being a relative latecomer to mobile messaging by co-opting Blackberry’s inventions for such services as the… Read More BlackBerry files lawsuit against Twitter over patent infringement