Argentina embraces Francis, its pauper Pope

March 16, 2013 11:43 PM

UPDATED March 17, 2013 04:26 PM

More Videos

  • Cuban and U.S. researchers team up to fight lung cancer

    Dr. Pedro Camilo Rodríguez, an immune oncology researcher at Cuba's Center of Molecular Immunology, talks about a combined effort between Cuban and U.S. researchers to fight lung cancer with a vaccine.