The Katrina Effect: The devastating hurricane created flats that area fly fishing paradise. By Tom Tripi • The Most American of Rivers: A look at the Potomac as the great fishery that it is. By Beau Beasley • Gunnison's Whirling Disease-Resistant Rainbows. By Gale Doudy • The Wilsons' Favorites: Five dry flies for smallmouth bass.By Terry and Roxanne Wilson • Fishing the Western Spruce Moth Hatch. By Bill Toone. Plus regular departments on entomology, fly tying, casting, rod building, woman's outlook and more.