Necessary Evils

I was at the Henry Vilas Zoo recently, and before that the Indianapolis Zoo during GenCon weekend. I enjoy visiting zoos because I love animals -- even reptiles, bugs, and fish. They don't have to be cuddly for me to find them fascinating -- though if they aren't cuddly mammals, odds are good that I don't want them in my house!

To many people, zoos are depressing places: animals in confinement, being stared at, shouted at, and (occasionally) having things throw at them, by people. They can be depressing if you can only see that particular unpleasant aspect, but there's another point to consider: Zoos are...
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