Knowing who to trust is hard to figure out, the safest bet is to trust no one. Just watch the X-Files season one and you'll understand better how government works. Still even today (especially after 9/11) there was a scary resurgence of people willing to tryst their government and their motives. Well yesterday the CIA published some of its secrety files from the 70s. Here are links to the many stories circulating on public access.
CBC
www.cbc.ca/news/background/us-politics/cia.html
BBC World
news.bbc.co.uk/1/hi/help/3681938.stm
news.bbc.co.uk/2/hi/americas/6242182.stm
RIA Novosti
en.rian.ru/analysis/20070628/67975536.html
news.bbc.co.uk/2/hi/americas/6243704.stm
Guardian Unlimited
www.guardian.co.uk/cuba/story/0,,2112303,00.html