McCain's unorthodox campaign

June 29, 2008 09:51 PM

UPDATED June 29, 2008 09:53 PM

More Videos

  • Cuban researchers hope to join forces with U.S. in biotech field

    Scientists at the Center for Genetic Engineering and Biotechnology say they have developed promising drugs, including one that could save the limbs of diabetics, but they face hurdles getting them into the U.S. market