Doesn't seem to be a problem for Roman Polanski.

Everyone on Seinfeld. Most of Curb Your Enthusiasm.

Yeah, I'm pretty sure it's just a bomb or a uranium-refinement machine or something like that. The "Heisenberg" reference isn't directly to the function of the device, but simply because Heisenberg would have been a well-known German physicist who would have been involved in the Nazi weapons program, but more meta…

It follows the history in the book. The US didn't assist Europe or enter the war early, and during that time we can assume that there was domestic dispute about whether the make peace or join with Germany. After the US was attacked, we can presume a split and divisions of loyalties (cf France and Vichy France during…