Trump says Kim Jong-un was unaware of mistreatment of US hostage
Otto Warmbier was a young American jailed and tortured in North Korea. He died after his release in 2017. At the end of Donald Trump’s summit in Vietnam with North Korean leader Kim Jong-un, Trump said he believed Kim when he says he didn't know about Warmbier's mistreatment. Host Carol Hills discusses the comments with Mickey Bergman, who helped negotiate Warmbier's release.