FDR had been trying to provoke the Axis into getting into a war with the US for years. He started with Germany, intentionally violating war zones, and transporting military equipment;

Correct. This is what made Germany (in WW2) conclude that America was a de facto belligerent and that declaring war would do no further harm to them.

Anyone who understood Japan knew full well that a war with the US was inevitable, and the Japanese certainly knew that they couldn't operate the way they were in the Pacific without provoking a war with the US. Hence why they chose a pre-emptive strike. They knew that they had no capacity to match the US's economic or military capability once it got going, and their only chance was a devastating first strike.

The US wasn't going to use aggression. That would have been politically impractical. It would just use economic sanctions in order to force Japan's hand. It's genius really. If you are the aggressor, your decision will always be second guessed. But if you trick the other side into attacking first, then you can paint yourself as innocence violated.

So one of the most heavily armed fleets Japan had ever set to anchor was assembling in Hittokapu Bay. The Americans had photographs of the fleet, it's composition, it's size, and then one day... poof! ... It was gone. All those carriers, and the US simply waited for it to re-appear. Didn't appear in China. Didn't appear in Guam. Didn't appear in Korea. Didn't appear in Indonesia. Didn't appear in Australia.

The Philippines were considered the most likely destination. In retrospect, Pearl Harbor may seem damn obvious, but hindsight is 20/20.

Either the Roosevelt administration was criminally negligent to the point of needing to face criminal prosecution for the intelligence and military failures at Pearl Harbor (thank God for rare Japanese incompetence and stunning American luck, otherwise they might have actually had a chance at winning);

Even the Japanese did not think that they had a chance to win. However, the oil embargo had made the situation so desperate that even a small chance was considered preferable to certain defeat.

As for JFK? Oswold shot him, that's actually super clear. LBJ just exploited the murder and turned it into a coup. There's a reason the biggest proponents of the JFK Assassination conspiracy theory are all former members of the Kennedy administration. When you read about what happened after the president died, it certainly looks like a coup. The focus on the shooting itself is actually classic deflection. Everyone's digging their heels into the initial crime scene, and not talking about the fucking fist fights that broke out in the White House when the VP staffers literally started throwing people out and taking their security clearances.

I would not be surprised, given LBJ's character (which is terrible for every politician, but he was a down and dirty streetfighter as well), I just haven't seen the evidence for it. In fact, any evidence. There are limits to cui bono.