Paging Gail Collins: the shameful tale of Seamus, Mitt Romney’s Irish setter—whom the candidate stuck in a crate and strapped to the roof of his car on a 12 hour ride to Canada—may have ended with a stroke of poetic justice. According to a piece on Politicker yesterday, Romney’s sons told reporters in an off-record conversation that the dog ran away when the family got to Ontario. Such a revelation, if true, gives the lie to Romney’s now nearly five-year-old claim that Seamus liked riding on top of the station wagon. (“He scrambled up there every time we went on...