On the contrary, FBI Deputy Director W. Mark Felt brought down Nixon through the Washington Post, in his role as Deep Throat of Watergate fame.
This all happened after Hoover died in 72.
That is why extremely malicious conspiracies involving more than a dozen or so people are not believable. As the circle of those in the know increases, the likelihood that someone will think they did not get dealt fairly goes up rapidly, and those with gripes will find they are holding the moral equivalent of nuclear weapons against those who wronged them.
Exactly.
That is one of many reasons why I find all the 9/11 conspiracies completely infeasible. Especially since those would require the cooperation of not only a few dozen, but probably a few hundred people.
But it ended with his death and there was a backlash from power. That's what doesn't make me worry about the NSA actually spying on US political figures.
As for them spying on foreigners - so what? It's been common knowledge for years that Western countries spy on each other, Echelon demonstrated that electronic means were being used to. The British ran a mole inside the German finance ministry for years - unsurprising when you consider the damage Black Wednesday did to the British economy.