Obama and Xi discuss cyber issues, prepare for U.S. visit

U.S. President Barack Obama called for "swift work" by Beijing to narrow their differences on cyber issues, the White House said, as the two sides start planning for Chinese President Xi Jinping's visit to Washington in September. In a phone call with Xi, Obama said he looked forward to welcoming him to Washington for a state visit later this year, the statement added. The White House added: "The two leaders reaffirmed their commitment to coordinate closely on security challe