SEOUL, July 3 (UPI) -- South Korean President Lee Jae Myung said Thursday that his government is working hard to strike a trade deal with the United States on impending tariffs but expressed doubt as to whether talks will be concluded before next week's deadline. "It is clear that tariff negotiations are not very easy," Lee said at a press conference marking his first 30 days in office. "We need to create a mutually beneficial result that is helpful to both parties, but it has not yet been