The issue focused on the question of how to process any particular claim, and it was not a problem that had been previously identified.

"It is one of those issues that we have just found has now come up in this case," he said.

Hearings are set for May 3-4.Jill Nocera: "I did not know I had 'laid out' all my political knowledge in a book. The art of snarky research is so much more fun