Chumster,

You mention ethics but then disclaim them if a realative is involved. Interesting concept.

In all but the rare situations it is easy to distiguish a sow from boars. The rare situation is usaually a dry sow anyhow.
If you have to watch the bear for 3 hours to make sure it's not a sow with cubs it's the right thing to do. One of the prime edicts of hunting know your target before you shoot. The number one hunting ethic. You highlight a huge problem in people in general greed. They want the animal more than they want to do the right thing.
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Liberalism is a mental illness!