Here are the topics and authors.
Purity and Predation by James Babb, Gray’s Sporting Journal
Drive a Prius, Eat a Fish by Chris Hunt, Trout Unlimited
An Invasive Species or a Steelhead Run? by Cathy Beck, fishing guide, Frontiers International
The Shifting Moral High Ground by Dylan Tomine, fisherman and writer
Causing Pain for Our Pleasure by Lynne Sneddon, fish biologist, University of Liverpool, and
Feeling Little Pain by James Rose, zoologist, University of Wyoming
The comments are lengthy on these posts but if the topic intrigues you then the comments offer more grist for that particular mill.