KYIV (Reuters) -President Volodymyr Zelenskiy outlined Ukraine's plans to boost drone exports and expand tech partnerships as he met the top management of a host of leading U.S. businesses, his office said on Thursday. Exports of Ukraine's weapons have been restricted since Russia invaded its neighbour in February 2022, with everything rolling off the production line diverted to the national defence effort. "Our country has a strong drone manufacturing industry and more than 300 technology companies. I ...