Scott Adams said a really smart thing on his website recently: 

"I'm not persuaded by the article, but neither do I discount it entirely.  My problem, as always, is that I don't have enough knowledge to make a judgment about it.  It sounds credible, but that doesn't mean much." (emphasis mine)

I feel that way in a lot of situations.  There's evidence and an argument for both sides, but I feel like I still don't have all the pieces, so I have trouble making a final decision.  In a culture where everybody has an opinion about everything, it's refreshing to hear a person honestly admit his need for more information.