Internet auctioneer eBay Inc. has canceled plans to allow live pets to be sold on its Web site after receiving thousands of angry letters from users. The San Jose-based company has long banned the sale of live animals except fish and snails, and officials said Monday they were scrapping plans to create a separate classifieds category that would feature free ads from animal shelters and paid ads from breeders. Over the weekend, an eBay manager revealed in a posting to an online message board that the company was considering lifting the ban, prompting letters from more than 2,000 users, most...