President Clinton struggled in vain to get his dog Buddy and cat Socks to become friends. Outside the Oval Office in January 1998, Socks stood his ground until Mr. Clinton and Buddy made their exit. (Associated Press)

President Clinton struggled in vain to get his dog Buddy and cat Socks to become friends. Outside the Oval Office in January 1998, Socks stood his ground until Mr. Clinton and Buddy made their exit. (Associated Press)