Rhode Island’s blue-on-blue showdown is heating up. Famed litigator David Boies is taking a 96 percent pay cut to represent the state against recalcitrant public sector unions. The New York Times reports: Mr. Boies became involved, he said, because he was convinced that Rhode Island’s pension troubles were just the tip of a $5 trillion iceberg of unsecured retirement promises to the nation’s millions of public workers. “This is something that can cripple state and municipal governments at a time when the federal government is, more and more, cutting back on the services it provides,” he said. Public unions and...