Carol Bryant and her cocker spaniel, Dexter, visit the Salt Lake City temple during the BlogPaws conference in Utah. Dexter travels the country with Bryant, a blogger who spends her time meeting other pet owners. | AP Photo
Linda Markley, walks with her Labrador retriever, Riley, at the Sepulveda Basin Off-Leash Dog Park in Encino, Calif. Markley loves Riley for dozens of reasons, but specifically cited the dog's intelligence. | AP Photo
This undated publicity photo provided courtesy of American Kennel Club shows a Boston terrier. In the 1910s, the Boston terrier takes over at No.1 and remains the only "made in the U.S.A." breed to reach the top spot. The dog is known as America's gentleman. (AP Photo/Courtesy American Kennel Club)
In the 1890s, the Saint Bernard was accepted by the American Kennel Club and became the No. 1 dog. To this day, it is the only giant breed to reach the top spot and the only No. 1 never to appear in the top-10 again. | AP Photo/Courtesy American Kennel C
This undated publicity image provided courtesy of American Kennel Club shows a Poodle. Poodles were recognized in 1887, but didn't make the top-10 until the 1950s. It takes over as No. 1 in 1960 and stays there until 1982, with twenty-two consecutive wins, a record for any breed. (AP Photo/Courtesy American Kennel Club)
The Boston terrier remains the only "made in the U.S.A." breed to reach the No. 1 spot. | AP Photo/Courtesy American Kennel Club
LOS ANGELES — Help wanted: One trained, easygoing, low-maintenance dog that will work for next to nothing. It was the classified ad that Matthew VanFossan wrote in his head after going blind. His Labrador retriever, Achilles, “will guide me across busy streets for nothing more …