Experts in the environmental field often say that they base their opinions on “multiple lines of evidence.” Is that good enough?

Some time ago at a ballgame (the reader may want to pause here to remember with fondness going to ballgames) I made some bantering comment to an environmental scientist (who may, actually have been my host) that when an opposing expert bases an opinion on “multiple lines of evidence” he or she admits weakness in the support for the opinion. Revenge is a dish best served cold, and she (the scientist) contrived to get me to agree these years later to speak on the question to a hostile audience, and I am here recording those thoughts.

Continue reading the full Legal Intelligencer article, “Basing an Environmental Expert Opinion on ‘Multiple Lines of Evidence.'”