During his trip to Argentina, President Obama will meet with their new President, Mauricio Macri. Lesley Stahl sits down with him as he discusses his first few weeks in office -- and how he plans on resurrecting the relationship between Argentina and the United States. James Brown sits down with former Princeton professor, and civil rights leader, Cornel West -- as he discusses this critical time of racial awareness in America. Scott Pelley discusses Newark, New Jersey's St. Benedict's -- a school that empowers students to push each other towards a brighter future.