Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

WASHINGTON, DC - JANUARY 12:  U.S. President Barack Obama delivers the State of the Union speech before members of Congress in the House chamber of the U.S. Capitol January 12, 2016 in Washington, DC. In his last State of the Union, President Obama reflected on the past seven years in office and spoke on topics including climate change, gun control, immigration and income inequality. Also pictured are Vice President Joe Biden (L) and U.S. Speaker of the House Rep. Paul Ryan (R-WI).  (Photo by Alex Wong/Getty Images)
WASHINGTON, DC - JANUARY 12:  U.S. President Barack Obama delivers the State of the Union speech before members of Congress in the House chamber of the U.S. Capitol January 12, 2016 in Washington, DC. In his last State of the Union, President Obama reflected on the past seven years in office and spoke on topics including climate change, gun control, immigration and income inequality. Also pictured are Vice President Joe Biden (L) and U.S. Speaker of the House Rep. Paul Ryan (R-WI).  (Photo by Alex Wong/Getty Images)

    JUST WATCHED

    Obama taps Biden in fight against cancer

MUST WATCH

Obama taps Biden in fight against cancer

Dr. Otis Brawley, executive vice president of the American Cancer Society, tells CNN's Ashleigh Banfield that reigniting the fight for a cancer cure is not as unlikely as it sounds.

Obama taps Biden in fight against cancer

Dr. Otis Brawley, executive vice president of the American Cancer Society, tells CNN's Ashleigh Banfield that reigniting the fight for a cancer cure is not as unlikely as it sounds.