Change a date, person, time, or event in the timeline and you get an Alternative History or Counterfactual. Patrick wants to know what a world in which the USSR invades Japan during World War 2 would mean for the Cold War and the fate of an occupied Japan.
Dennis wants to play out a game of what if? Surrounding a world in which Al Gore Wins 2000 Election. How would a Gore Presidency respond to the events of 9\11? Would the Iraq War never occur?
Further reading for Patrick’s selection
Comic book mini series Storming Paradise
Operation Downfall via Wikipedia
MacArthur’s War: A Novel of the Invasion of Japan
Further reading for Dennis’ selection.
If Gore Had One…. via the LA Times
Memories of the Gore Administration via NY Magazine