There are a number of wicked problems from last century that are unsolved this century that appear to be placed in the basket case: Korea and reunification is one. Another is the Roma of Europe.
Whenever I read something about North Korea treating it citizens poorly, I get angry at the Republic for not being generous enough to help the North. Whenever I read about North Korean refugees having a hard time, I get angry at China, where they usually go in the first instance, for not being generous enough to work on a solution.
Stil thinking of topics for investigation.