The first thing clinton did was fire all 93 US Attorney Generals and replace them with his own lackeys.
This is the main reason both him and his wife are not in jail.
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This was their attempt at ABSOLUTE POWER. These power-mad criminals knew they could not achieve it through the legislative branch so it had to be done through the judicial. And they did a pretty good job -- because, as you note, it kept them out of jail. Pure criminal evil personified.
I thought the Clintons were investigated by 3 Independent Counsels: Robert Fiske, Judge Kenneth Starr and Robert Ray.