At first glance, Kim Yo-jong’s latest message to Washington looked like a rebuff to US President Donald Trump’s insistence that he would meet her brother Kim Jong-un later this year. But analysts said the North Korean leader’s powerful sister stopped well short of shutting down Trump’s outreach, using a carefully worded statement to leave room for renewed summit diplomacy while making clear that Pyongyang intended to set the terms for any return to dialogue. In her statement, released by North...