Biden Rises On Super Tuesday, Narrowing Democratic Race

Former Vice President Joe Biden has emerged as the Democratic front-runner after Tuesday's Super Tuesday contests. He won primaries in nine of 14 states, including delegate-rich Texas. Sen. Bernie Sanders won just four of those states, but picked up California, the state with the largest delegate count.

Sen. Elizabeth Warren didn't come close to winning any contests, and after pouring half a billion dollars into campaign advertising, Former New York City Mayor Michael Bloomberg announced he would drop out of the race on Wednesday.

NPR's Juana Summers (@jmsummers) speaks to Jeremy Hobson about what the results mean for the future of the race.