White Doghouse

Every president since Warren Harding has brought a dog to Washington, and over half of all U.S. presidents owned at least one dog during their terms. (Makes you wonder how the White House lawn stays so green.) And Super Tuesday's front-runners suggest the tradition will continue.

Most of the candidates can be considered "dog persons." Hillary Clinton has Seamus, a Labrador Retriever, while John McCain's got Sam, a Springer Spaniel, and Coco, a mutt. Barack Obama, currently without a canine, has promised his daughters they'll get one if he's elected. Mitt Romney is newly dog-less since his Weimaraner, Marley, died last year.