U.S. President Joe Biden will urge the importance of nuclear disarmament at the Group of Seven summit beginning Friday in Hiroshima, according to White House national security spokesman John Kirby.In an online interview with Kyodo News on Tuesday, Kirby said that Biden has a "long-standing concern about the ramifications of the potential for nuclear war in the future" and aims to reaffirm his stance after arriving in Japan on Thursday.Biden has maintained the vision of former U.S. President Barack Obama, under whom he served as vice president, of a world without nuclear weapons.Kirby said B…READ FULL ARTICLE