I'm honestly kind of excited to live through what I'll live through in my lifetime.
How will the baby boomers play out in their retirement?
Most of them will starve why 401k crash and housing. Medical bills will finish off the ones that have good pensions.
What is the end game for Japan? I don't know what you mean but Japan is finished it will not get back to it's glory days.
How does society react to competition for oil?
Want to know this too
How high can the national debt go, a quadrillion? Lol!
yes
When will it become blatantly stupid to ship goods 18,000 miles?
It is now the cost has gone up about 4X since 2000
What will happen when Gen X and Gen Y finally take charge?
They will, but only the ones that didn't do pot. Hippies can't live forever. They will do the same shit the hippies are doing now.
Will the Eurozone break apart in my lifetime?
Yes it will and it might happen soon if not than in the next 20 years.
Will China actually become a world power?
China is a world power but they will have a better military in about 10 years.
Will India stop being poor?
Not in our life time but it also depends of your definition of what is "poor" Will the other 90% of the population without toilets, have them in the next 20 years ?No they won't
Will Japan be the mecca for education and engineering?
Japan is finished they will not crawl back up again. They will struggle to remain at the current levels.
etc.