Always careful to walk at least several paces behind her baby-faced brother and keep out of shot if cameras are around, she looks so pale and fragile that its seems a strong wind might knock her down. ...When her brother met President Trump for a historic summit in 2019, she was seen shyly peering out from behind a wall. Observers thought it almost adorable. Believed to be 35, the youngest child of former North Korean dictator Kim Jong-Il is actually a ruthless political operator (even by her brutal family’s standards)... For Yo-jong, say North Korea experts, is ‘the brains behind...