The court seemed poised to undo, at least partially, a hundred-year-old ban on corporate campaign financing, as Solicitor General Kagan all but to acknowledged : “If you are asking me, Mr. Chief Justice, as to whether the government
has a preference as to the way in which it loses if it has to lose, the
answer is ‘yes’.”
Also in the picture are, left to right, First Amendment champion Floyd Abrams, unidentified attorney, former Bush Administration Solicitor General Ted Olsen and, on the far right, former Clinton Solicitor General Seth Waxman. (note: Justices Alito and Ginsburg are not pictured, but were seated on the far left.)
Dahlia Lithwick has written about it here.