David who? was the initial reaction of Americans to a little-known judge from New Hampshire named in 1990 to sit on the nation's highest court. Even the nominee didn't know what to think when President George H.W. Bush called him with the news, telling supporters, "I was in a state of virtual shock."
Now, more than 18 years later, Souter plans to retire after the current term recesses in June, a source close to Souter told CNN.