I have come to view a meal of wild salmon as a splurge, a treat to be savored, and I’m willing to pay the price. Wild salmon is a seasonal thing, available from May to October. It’s not cheap, but the flavor is incredible — sweet, silky, meaty — and the vermilion color is magnificent. With the abundance of relatively low-priced farmed salmon, however, many of us succumb. But the flavor of farmed salmon doesn’t even compare. It’s like the difference between a free-range chicken and one that’s been factory raised. Wild salmon swims long distances, its color a result...