Here's a Factor in the Democratic Primaries Few Are Talking About

"Four years ago, 12 percent of people who voted for Bernie Sanders in the Democratic primary ended up voting for Donald Trump in the general election, according to two surveys. That defection rate is not unusual; the same percentage of Republican primary voters that year ended up voting for Hillary Clinton, political scientist Brian Schaffner explained to NPR. But keeping Democrats unified after a sprawling and increasingly contentious primary season will be essential if the party is to retake the White House in November. So far, signs are not promising: A poll conducted in January by Emerson Polling found that only 53 percent of current Sanders supporters say they will definitely support the eventual Democratic nominee, even if it is not Sanders. By contrast, at least 85 percent of Joe Biden, Pete Buttigieg, and Elizabeth Warren supporters say they will support any Democratic nominee." LINK