Although I'll concede your propaganda that "Bernie only has support among Whites" may have cost him some support among POC.
http://www.npr.org/2016/03/28/472160616/-berniemademewhite-no-bernie-sanders-isnt-just-winning-with-white-people
What was Bernie doing in the sixties again?
What was Hillary doing then? Oh, yeah, ...
https://www.usnews.com/news/articles/2016-07-18/hillary-clinton-campaign-remakes-1964-confessions-of-a-republican-ad-with-same-actor
On Sunday, after Bernie Sanders' commanding wins in the Alaska, Hawaii and Washington state Democratic presidential caucuses, Leslie Lee III, an American freelance writer living in Japan, tweeted, "I knew it. I knew if Bernie won Hawaii it would magically become a white state."
And then he tweeted again: "Ever since I voted for Bernie, I've been bingewatching Friends. #BernieMadeMeWhite."
.@HillyesRose @MisaelFrancoO @TheBpDShow @cenkuygur Ever since I voted for Bernie, I've been bingewatching Friends. #BernieMadeMeWhite
— L. (@tokyovampires) March 27, 2016
Lee said he wrote that to contradict a narrative he sees playing out in the race for the Democratic nomination.
"There's always been these articles about how Bernie supporters are basically only white people," Lee told NPR.
He continued, "Me, myself, and many other POC, people of color, who support Bernie Sanders, feel like we don't get to be a part of the conversation. We get ignored. We get erased. It's assumed that the black vote, the Hispanic vote, and everyone is all behind Hillary Clinton and none of us really get Bernie Sanders or like Bernie Sanders."
So he decided to have fun with it. "Hey, if you're gonna ignore me as a black person, I might as well embrace my whiteness," Lee said. "I might as well start watching Friends, or enjoying pumpkin spice latte, or whatever. I just wanted to have a bit of fun with it while highlighting the serious issue."
...
"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."
http://www.npr.org/2016/03/28/472160616/-berniemademewhite-no-bernie-sanders-isnt-just-winning-with-white-people
What was Bernie doing in the sixties again?
What was Hillary doing then? Oh, yeah, ...
But Goldwater did have the support of one notable American: Hillary Clinton.
"I was ... an active Young Republican and, later, a Goldwater Girl, right down to my cowgirl outfit and straw cowboy hat emblazoned with the slogan 'AuH20,'" Clinton wrote in her memoir "Living History."
"I liked Senator Goldwater because he was a rugged individualist who swam against the political tide."
https://www.usnews.com/news/articles/2016-07-18/hillary-clinton-campaign-remakes-1964-confessions-of-a-republican-ad-with-same-actor