Sanders' supporters are being mislead over in their group. (More Bernie Math)

[Fla Dem]

4. Washington was an open state caucus. Anyone could walk in and register.

It is not indicative of anything. California is not Washington State.

State of Washington

Race and ethnicity
According to the 2010 United States census, the racial and ethnic composition of Washington was the following:[42][52]
White: 77.3% (Non-Hispanic Whites 71%, White Hispanics 6.3%)
Black or African American: 3.6%
Native Americans: 1.5%
Asian: 7.2%
Pacific Islander: 0.4% (0.2% Samoan, 0.1% Guamanian, 0.1% Hawaiian)
Two or more races: 4.7%
Other races 5.1%

Bernie has not done well in multi-cultural states.

California
Population By Races

Race..........................Population.......% of Total
Total Population...........37,253,956...........100
White ...........................21,453,934.........57
Hispanic or Latino............14,013,719...........37
Some Other Race .............6,317,372...........16
Asian .............................4,861,007...........13
Black or African American..2,299,072.............6