Trusting any of them is a luxury afforded in a short period of history in rich countries.
That's why the usual ethos in places like HN of treating any doubt about government actions as lowbrow paranoid conspiracy theory stuff, is so exasperating, for those of us who came from either the former soviet bloc or third world nations.
Someone who use to live in a dictatorship told me there is one advantage to living under a dictator: No one believes what is said in the news or the official version of anything.