[freeflight]

I usually try to go through the effort of looking up the citations for particularly controversial statements.

But often that ends up being some book reference I can't find a free online version for.

[swebs]

Often bias on Wikipedia is more easily revealed by what was removed rather than what was added. If you really want to see what's been covered up, check the edit history and the talk page. "Wikilawyers" are good at invoking whatever community guideline they can to get things added or removed.