Will Bo Obama continue to reign as First Pet, or will Romney's Dressage horse take the crown?
Abraham Lincoln's dog, "Fido," 1860
Source: rogerjnorton.com
Rutherford B. Hayes and his Spaniel "Duke," c. 1877
Source: presidentialpetmuseum.com
Grover Cleveland with his Cocker Spaniel, 1906
Source: Library of Congress / via: loc.gov
Benjamin Harrison's goat, "Whiskers," 1891
Source: externsonthehill.com
