Listed in no particular order:
- Nothing at all. One of the two crazy, unstable leaders throws a tantrum and walks out, or quickly reneges on an agreement he just signed.
- Something, but effectively nothing. Some sort of agreement that leaves all the difficult issues to be hashed out at some unspecified future date, coupled with many meaningless glad words about a new era.
What’s not going to happen? North Korea agreeing to give up its nukes and welcome US inspectors inside to verify it’s keeping good on its promise.