US President Donald Trump told his South Korean counterpart Moon Jae-in in a phone call that the US would be open to talks with North Korea while continuing to maintain a “maximum pressure” campaign against Pyongyang aimed at halting its nuclear and missile programmes. During the call on Wednesday, Moon briefed Trump on the outcome of Tuesday’s meeting between North and South Korea, the first such inter-Korean dialogue in more than two years, and thanked Trump for his…