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

Democratic presidential candidates Hillary Clinton (L)  and Bernie Sanders (R) participate in the NBC News -YouTube Democratic Candidates Debate on January 17, 2016 at the Gaillard Center in Charleston, South Carolina.. / AFP / TIMOTHY A. CLARY        (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)
Democratic presidential candidates Hillary Clinton (L)  and Bernie Sanders (R) participate in the NBC News -YouTube Democratic Candidates Debate on January 17, 2016 at the Gaillard Center in Charleston, South Carolina.. / AFP / TIMOTHY A. CLARY        (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)

    JUST WATCHED

    Sanders flies South; tries to crack Clinton firewall

MUST WATCH

Sanders flies South; tries to crack Clinton firewall

After finding himself the front-runner in Iowa and New Hampshire, Sen. Bernie Sanders look beyond the first two voting contests and to the SEC states. CNN's Brianna Keilar reports.

Sanders flies South; tries to crack Clinton firewall

After finding himself the front-runner in Iowa and New Hampshire, Sen. Bernie Sanders look beyond the first two voting contests and to the SEC states. CNN's Brianna Keilar reports.