Apparently Peter Wallsten, the L.A. Times writer refusing to reveal his source, scooped his story from Debbie Schlussel. Even Politico acknowledged that Wallsten plagiarized Schlussel. Schlussel provides the inside story here.
If this tape is as controversial as some say, I believe it is worth putting up a hefty bounty. Newt suggested $50,000. Why not $500,000 If enough money is put up, the odds of that tape popping up increase exponentially. Somebody must be in position to make that offer.