WASHINGTON -- Rep. Debbie Wasserman Schultz (D-Fla.), chairwoman of the Democratic National Committee, joked Sunday about Mitt Romney's infamous treatment of his family dog while discussing traveling conditions for her own pets.

Early in an appearance on "Fox News Sunday," host John Roberts praised Schultz for appearing on the show during her family vacation, noting she had driven all the way from Florida to New Hampshire to celebrate July 4th "with four dogs, and a cat, and kids and the husband."

"All of the dogs were actually in the car," Schultz said. "So I proved it can be done."

Romney has been criticized for putting his dog's kennel on the roof of the family car in 1983 for a 12-hour drive to Canada. The dog, named Seamus, became extremely distressed during the drive, soiling the crate and roof with diarrhea. Romney hosed Seamus off at a gas station, then placed him back on the roof and continued driving at highway speeds.

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