US President Donald Trump (center) greets business leaders during a meeting in Tokyo on May 25, 2019. - US President Donald Trump arrived in Japan on May 25 for a four-day trip likely to be dominated by warm words and friendly images, but relatively light on substantive progress over trade. AFP PHOTO
TOKYO: President Donald Trump Saturday vowed to make the US trade relationship with Japan a "little bit more fair", as he kicked off a four-day visit to Tokyo aimed at cementing ties between the two close allies.