“Donald Trump promises to impose, soon after his inauguration, a new requirement on federal agencies: If they want to issue a new regulation, they have to rescind two regulations that are now on the books. The idea of 'one in, two out' has rhetorical appeal, but it's going to be extremely hard to pull off.”

American legal scholar and author

Cass Robert Sunstein is an American legal scholar and author. He served from 2009 to 2012 as administrator of the White House Office of Information and Regulatory Affairs in the Obama administration. His work ranges across U.S. constitutional law, administrative law, environmental law, and behavioral economics. He is also the co-author of Nudge (2008) and the author of The World According to Star Wars (2016), a New York Times best seller.