Once in a blue moon, in between lightning strikes, as reliably as a lottery, you find a purple pearl in a plate of clams.
Cedar Key clams, to be specific.
Everyone's probably heard the beginning of the story. On Dec. 28, a Royal Palm Beach couple, George and Leslie Brock, were vacationing in Lake Worth. They went to Dave's Last Resort and Raw Bar and, on a whim, ordered a plate of clams.