Shoba Sivaprasad Wadhia (Penn State Law) has posted The History of Prosecutorial Discretion in Immigration Law (American University Law Review, Vol. 64, 2015) on SSRN. Here is the abstract:
This Article describes the historical role of prosecutorial discretion in immigration law and connects this history to select executive actions announced by President Obama on November 20, 2014.
Posted at 6:30 AM