President Trump is leaving the door open to a sit-down meeting with North Korean leader Kim Jong Un, despite abruptly canceling their previously planned summit this week over the authoritarian regime’s latest threat of nuclear war.

But resurrecting a meeting between the two leaders will take a major show of good faith by the Kim regime, according to White House officials and people close to the administration, who worry that North Korea’s provocations are being ignored amid the excessive focus on whether a summit will occur.