This video from the USA says about itself:
Sanders Earns Endorsement of Nevada’s Largest County’s Black Caucus
19 February 2016
Yvette Williams, Chair and Founder of the Clark County Black Caucus, says Sanders is pushing the Democratic party towards policy positions more in the interest of Black Americans.
Their letter of endorsement is here.
In Nevada, young Latinos are ‘Bernie kids’ while their parents are ‘with Hillary’: here.