The Obama coalition has become almost mythic within the Democratic Party for having united first-time voters, people of color and moderates to win the presidency in 2008. This year, Senator Bernie Sanders is betting that he can win with the support of young voters and people of color — but without the moderates.To do that, he’s counting on winning over and energizing the Latino vote. The ultimate test of whether he will be able to do that is in California, where Latinos are the single biggest nonwhite voting bloc. While young Latinos in California overwhelmingly support Mr. Sanders, to become the Democratic nominee, he will need the support of their parents and grandparents as well.Guests: Jennifer Medina, a national political correspondent who is covering the 2020 presidential campaign for The New York Times, traveled to California with Jessica Cheung and Monika Evstatieva, producers on “The Daily,” to speak with Latino voters. For more information on today’s episode, visit nytimes.com/thedaily.Background reading: Though Mr. Sanders is a 78-year-old white senator from Vermont, in California, some Latino supporters are calling him “Tío Bernie,” as if he were an uncle or a family friend.Mr. Sanders and Senator Elizabeth Warren, the two leading progressive candidates, sparred publicly in the last debate.