The parties and the Solicitor General are directed to file supplemental briefs addressing the following question: "What should be the effect, if any, of the developments discussed in the letter submitted by the Solicitor General on October 28, 2011, on the proper disposition of this case?" Briefs, in letter format, limited to 10 pages, are to be filed simultaneously with the Clerk and served upon opposing counsel on or before 2 p.m., Friday, November 18, 2011.