<p>SHINZO Abe plans to travel to Iran next week, officials said today, the first visit by a Japanese prime minister in more than four decades as Tokyo hopes to mediate between Washington and Tehran.</p> <p>A government official told AFP that Tokyo was “still arranging details, including whom our prime minister will meet there” but local media have said Abe will hold talks with Iran’s Supreme Leader Ayatollah Ali Khamenei and President Hassan Rouhani.</p>