Rigsby update: forgotten but not gone

For those who remember the heady Katrina litigation days of the Ride of the Rigsbys -- appearing on ABC's 20/20, acclaimed as alleged whistleblowers -- these times are very different for the sisters. They've slipped in the celebrity rankings to a most unenviable category: forgotten but not gone. The inevitable next stage? Jointly occupying a corner box in the New, New Hollywood Squares, I suppose, hosted by John McEnroe or some such. Contestant: I'll take the Rigsby Sisters for the block. McEnroe: Kerri and Cori Rigsby. What famous tourist attraction features more than 200 kinds of reptiles? Rigsby Sisters: Snake Farm!! Contestant: I'm going to disagree. McEnroe: The correct answer is the San Diego Zoo. Circle gets the square. By the way, Rigsby Sisters, you've answered either &am