So, which point of view is correct? Sanders does horribly with minority voters? Or the media does a bad job of telling the story of Sanders' existing minority support?
"Well, I think looking at the exit polls," Randy Brown of Edison Research told NPR, "they're both correct."
Edison conducts entrance and exit polling for American elections, and has conducted polls on primary voters and caucusgoers in 20 states so far this election.
Brown said, by some measures, Sanders actually leads among black and Latino voters.
"Among African-Americans, who are 17 through 29, Bernie Sanders is actually leading that group, 51 to 48 [percent]," he said. "Among 17-to-29-year old Hispanics, Bernie Sanders leads Hillary Clinton 66-34."
"I think the big takeaway," Brown said, "is that whether it's among whites or African-Americans, Bernie Sanders does significantly better among the youngest voters in the Democratic primary."