Fronteras: The immigration proposal senators are crafting calls for an expanded use of border drones, we look at how effective they have been along the border so far. We hear the story of an American veteran's two-year quest to get an Iraqi family to the safety of U.S. soil. Finally, a San Antonio surgery resident talks about his immigration experience so far, and the hurdles immigrant doctors face to work in the U.S. even though there are doctor shortages.