Prime Minister Shinzo Abe has given up on reaching a broad agreement on a Japan-Russia peace treaty when he meets with President Vladimir Putin in June amid persisting differences over how to settle a longstanding territorial dispute, a government source said Thursday.Instead, the two leaders may agree on visa-free travel between the Russian region where four disputed islands are located and Hokkaido, Japan's northernmost main island, when they meet on the sidelines of a Group of 20 summit in Osaka, the source said.Abe had been hoping to secure a promise from Putin to hand over two of the i…READ FULL ARTICLE