Japanese Prime Minister Shinzo Abe said he and U.S. President Donald Trump agreed in phone talks late Saturday that North Korea needs to take concrete action toward denuclearization of the Korean Peninsula.He said they recognized the need to closely follow developments related to North Korea in the talks held a day after the historic inter-Korean summit between North and South Korea."Whether North Korea will take concrete action from now on will be important," Abe told reporters after his talks with Trump, adding he and Trump shared the view that the summit between the two Koreas was a "his…READ FULL ARTICLE