In June 2012 President Obama signed an executive order establishing the Deferred Action for Childhood Arrivals (DACA) program. The President acted because the U.S. Congress had repeatedly failed to pass the "Dream Act" - legislation protecting from deportation young undocumented immigrants who had been brought to the United States as children. More than 818,000 "Dreamers" applied for protection under the President's program through September 2014...