here are some good sites for sourced articles and some common sense:You can just bookmark the Links page. The two other sites are linked from there.
Links for 9/11 Research
A thousand or so categorized links, and several "mini sites" that are expanded versions of longer posts I've made here.
http://wtc7lies.googlepages.com/home
World Trade Center Building 7 and the Lies of the 9/11 Truth Movement (now online and updated)
http://wtc7lies.googlepages.com/introduction
William Rodriguez, Escape Artist
http://911stories.googlepages.com/home
http://www.journalof911studies.com/
http://www.ae911truth.org/
http://pilotsfor911truth.org/
http://www.911truth.org/
Anybody who has any critical thinking skills at all can figure out that the official conspiracy theory is full of holes and not back up by the physical evidence.
Use reason as your guide, not what you wish the facts to be, but what the real facts are, and you will be wise. Don't use reason and be blind.