The influence of Kim Jong-un’s half-sister, Kim Yo-jong
She's become the face of the North Korean regime. Kim Yo-jong is the half-sister of North Korea's supreme leader, Kim Jong-un. Not so long ago, she was a pretty obscure figure. But these days, Kim Yo-jong is seen as the second-most powerful leader in North Korea. But as The World's Patrick Winn reports, that doesn't necessarily mean that she's going to be her brother's successor.