A fly fisher for more than eight decades, she literally helped define the sport while opening the door for other women to enter it. Ninety-one-year-old Joan Salvato Wulff, the “First Lady of Fly Fishing,” says that even after all these decades, she never fails to feel a jolt of life every time she casts into the water. “Fly fishing puts you in touch with the natural world,” she says. “Everything we do is in tune with that.” Salvato Wulff is a proud inductee of both the International Game Fish Association Hall of Fame and the American Casting Association Hall of …