Google, whose founders reportedly drive Prius gas-electric cars and have invested in alternative energy, is now taking a stand for animal rights. The company will announce that its cafeterias will serve only eggs from cage-free hens, according to an article in the San Jose Mercury News on Thursday. That's no small matter; the company serves about 300,000 eggs a year to about 6,000 employees a year, the article said. "Animal rights groups urged the switch, noting that at many large farms, six or more hens are confined in a single wire cage," the newspaper reported. "For 12 to 18 months...