Much has been made about Mitt Romney, in 1983, putting his family dog Seamus in a kennel on top of his roof and driving from Boston to Canada, with said canine Seamus making his displeasure known in a rather scatological way. Democrats have signaled they have every intention of making sure the American people — especially dog-lovers — know the tale. In January, senior Obama campaign strategist David Axelrod tweeted a photo of the president and Bo in a car, with the snide observation: “@davidaxelrod: How loving owners transport their dogs.” The Romney campaign signaled tonight that they are not...