21st-Century Regulation: An Update on the President's Reform. Cass Sunstein, May 25, 2011, Opinion. "A 21st-century regulatory system must promote economic growth, innovation and job creation while also protecting public health and welfare. Earlier this year, President Obama outlined his plan to create such a system by adopting a simpler, smarter and more cost-effective approach to regulation. As a key part of that plan, he called for an unprecedented government-wide review of regulations already on the books so that we can improve or remove those that are out-of-date, unnecessary, excessively burdensome or in conflict with..."