The percentages of Democrat primary voters, by selected demographics, who “think the Democratic party is corrupt”. “Not sure” responses, constituting 25% of the total, are excluded. The residual values thus indicate the percentages who say the party is not corrupt:
Young, idealistic progressive white and Hispanic men are storming the gates. The nice old black church ladies are manning the barricades. If Sanders goes into the convention with a solid plurality but not a majority of delegates for the first round of voting, things are going to get very interesting.