“I said, maybe in the first minute. You know the way they say that, you know if you’re going to like somebody in the first five seconds? You ever hear that one?
“Well I think that very quickly I’ll know whether or not something good is going to happen. I also think I’ll know whether or not it will happen fast.
“May not. But I think I’ll know pretty quickly whether or not, in my opinion, something positive will happen.”
Trump said he was not concerned about critics’ suggestions that giving Kim a meeting is a win for North Korea.
He said: “No, no, no, no, that’s only the fake news says that. Look, we just got three hostages back. We paid nothing. They came back, they’re happily ensconced in their homes with their families, they’re the happiest people in the world right now.”
The US leader described the summit as a “one-time shot” for Kim, adding he expects the conversation with North Korea to last for more than just one meeting.