DULUTH — On land, Karen McTavish is a mild-mannered quilt shop owner serving customers with a bolt of fabric and a smile. On the water, McTavish turns into a muskie maniac, bitten by the esox bug ...

MADISON, Wis. - For a few weeks every spring, if you're lucky, musky make the leap from Wingra Creek over the dam into Lake Wingra. Once over, they'll try to spawn and eventually return to Lake Monona ...

There's a whole world under the surface and only Ron has any idea about it. And sometimes the two worlds collide, and sometimes they don't. Ron holds them at arm's length from each other. Watch every ...