Or maybe after gathering more data, the data started to point in different directions ?About a year ago he was convinced that imidicloprids were the problem even at sub lethal doses. During the House Committee hearings he seems to contradict that theory.
I don't see much speculation. From his own document:Who from? What's the source? Does your e-mail say why, such as volunteering to step down?
Why do we wish to speculate about this? What's wrong w/ Dr. Pettis' own explanation? Who benefits by reading anymore into this than what has been presented?