[lamename]

This is the correct answer. I'd add _multiple_ experts, because even they can disagree depending on the topic, which is expected and healthy. And even then, realize that experts can be wrong, but they're much less likely to be wrong than <random skeptic>.

[ashwinne]

That is right. Listen to multiple experts and see what is the cluster/mean of an answer they are crystallizing around. And if they all have different answers, then it means that there is no clear answer for your question (yet).