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

OAKLAND, CA - AUGUST 10:  Independent presidential candidate U.S. Sen. Bernie Sanders (I-VT) looks on during a "Brunch with Bernie" campaign rally at the National Nurses United offices on August 10, 2015 in Oakland, California.  The National Nurses United members announced their endorsement for independent presedential candidate Sen. Bernie Sanders during a campaign stop before he heads to Los Angeles for a campaign rally in Los Angeles at the Memorial Sports Arena.  (Photo by Justin Sullivan/Getty Images)
OAKLAND, CA - AUGUST 10:  Independent presidential candidate U.S. Sen. Bernie Sanders (I-VT) looks on during a "Brunch with Bernie" campaign rally at the National Nurses United offices on August 10, 2015 in Oakland, California.  The National Nurses United members announced their endorsement for independent presedential candidate Sen. Bernie Sanders during a campaign stop before he heads to Los Angeles for a campaign rally in Los Angeles at the Memorial Sports Arena.  (Photo by Justin Sullivan/Getty Images)

    JUST WATCHED

    Bernie Sanders on Clinton's heels in Iowa

MUST WATCH

Bernie Sanders on Clinton's heels in Iowa

A new poll shows Bernie Sanders within striking distance of Hillary Clinton in Iowa.

Bernie Sanders on Clinton's heels in Iowa

A new poll shows Bernie Sanders within striking distance of Hillary Clinton in Iowa.