Separation of power has been fucked for much longer than this.
How did Bush infringe on freedom of press or speach, when I couldn't go a day for the past 5 years without hearing someone bad mouthing him?
There is no right to privacy, although there should be
What illegal search and seizures? Give me evidence of this happening to US citizens here in this country.
Due process? Non-citizens that are not prisoners of war don't have the rights that citizens do, therefore due process does not apply to them. We just usually allow it to be nice.
Open democracy? Seriously? Notice how the GOP did not win this election, but I suppose that's because Bush wanted Obama to win. If anything, Pelosi is trying to destroy open democracy.
Your (lack of) "egregious constitutional violations" can happen all day long if there is no way to keep the .gov in check. You keep the .gov in check by lobbing bullets their way. It saved us from British rule, it can save us from the rule of a bunch of raving lunatics too.