TOKYO -- Masayoshi Son, CEO of Japanese mobile carrier SoftBank Group, rarely hesitates to talk to national leaders. He took just such an opportunity on March 14, giving Saudi Arabia's King Salman, 81, a Pepper robot.

Can the Japanese billionaire help world leaders usher in the future?
TOKYO -- Masayoshi Son, CEO of Japanese mobile carrier SoftBank Group, rarely hesitates to talk to national leaders. He took just such an opportunity on March 14, giving Saudi Arabia's King Salman, 81, a Pepper robot.