Well, the result is that despite the claim that Iraq had WMD and was an immediate and direct threat to us, the evidence to prove that has not yet been seen. There may have been a problem with the decision making process therefore....so let's find out and hear about it.
Blind faith may be okay in religion, but not in politics or government.
I would think this has the very real potential to compromise a lot of sources and intelligence gathering means, human and otherwise.