TOKYO (Reuters) – A senior Japanese trade negotiator said on Tuesday there had been no major progress on narrowing differences between Japan and the United States on the establishment of a Pacific trade block. There were many issues that still need to be negotiated, Japan Deputy Chief Negotiator Hiroshi Oe told reporters. Oe met U.S. Acting Deputy Trade Representative Wendy Cutler a day before U.S. President Barack Obama’s scheduled arrival in Japan, where he will meet Japanese Prime Minister Shinzo Abe. …