When Tim Morris got his mail last week he found a pretty big surprise, a document asking his dog Mozart to register to vote. Not only is Mozart a dog but he's been dead for two years. "I opened it up and looked at it and I just laughed," Morris said. "I thought it was a joke at first and it turns out it's real." The form is addressed to Mo, the family's nickname for the dog. What amazed Morris is that if Mozart was human he would have been eligible to vote for the first time in 2012. "He...