South Korea and the US agreed to maintain close coordination on efforts to revive dialogue with North Korea, days after Pyongyang rebuffed President Donald Trump’s overtures and launched a barrage of short-range ballistic missiles. South Korean Foreign Minister Cho Hyun told US Secretary of State Marco Rubio in a phone call late on Monday that Seoul would work to ensure that Trump’s recent messages lead to renewed US-North Korea discussions and peace on the Korean peninsula, Seoul’s Foreign...