NOGALES, AZ - APRIL 01:  Sineage adors the U.S.-Mexico border fence during a special 'Mass on the Border' on April 1, 2014 in Nogales, Arizona. Catholic bishops led by the Archbishop of Boston Cardinal Sean O'Malley held the mass at the border fence to pray for comprehensive immigration reform and for those who have died along the border.  (Photo by John Moore/Getty Images)