Hello and welcome to the Intelligence on Economist Radio. I'm your host, Jason Palmer.

Every weekday we provide a fresh perspective on the events shaping your world.

Today, Chicago will elect a new mayor. The colorful and outspoken incumbent, Roma Manual,

is a former White House chief of staff. We chat with him and ask why he's stepping

down what he has and hasn't done for Chicago and how his tenure might hold lessons for other cities.

Last week, it started to look a lot more advantageous to have kids in Hungary.

The country's prime minister has made a pile of promises to a shrinking demographic of young families,

but none would work so well as taking a softer line on immigration.

First up, though.

Starting tomorrow in Vietnam, North Korea's leader Kim Jong-un will meet with President Donald

Trump for a second time. We're going to have, I think, a very interesting two and a half days

in Vietnam, and we have a chance for the total de-nuclearization of an area of the world

that was very dangerous. That may sound like a grand and concrete ambition,

but there's some confusion as to what total de-nuclearization really means.

It seems that since the pair first met in Singapore last June, Mr. Trump has lowered his sights a bit.

Yesterday, he said he was not in a rush to de-nuclearization, as long as North Korea does

no more weapons testing. How much diplomatic progress has been made since that Singapore summit,

and what do the two sides expect to achieve this time around?

In Singapore, Kim Jong-un and Donald Trump pledged to establish a permanent peace regime on the

Korean peninsula and to achieve the full de-nuclearization of the peninsula, but they didn't really

agree on what that meant. The past few months progress on any of those goals has been hampered,

but the fact that they haven't been able to agree on the definitions of any of those things.

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