In theory, fly-fishing is a simple sport: Pick a body of water, choose a fly-fishing rod, select your “fly” (or bait), tie a secure knot, cast your line and, hopefully, land a fish on the other end.

BEMIDJI, Minn. – Every fall, about the time most outdoors enthusiasts across the Northland put away their rods and reels and set their sights on hunting, Steve Young gets serious about fly fishing.