NBC News/WSJ poll: Sanders gains ground on Biden with black voters nationally

As the Democratic primary battle turns to states with more racial diversity than the first two nominating contests in Iowa and New Hampshire, newly released data from the NBC News/Wall Street Journal poll finds that Vermont Sen. Bernie Sanders now enjoys similar levels of support among black Democratic primary voters as former Vice President Joe Biden does, while all of their other rivals — with the exception of former New York City Mayor Mike Bloomberg — have failed to gain any meaningful traction with this crucial voting bloc. CONT.

Carrie Dann, NBC News