More than 3,000 progressive and community leaders and activists who backed Sanders in the primaries gathered here this weekend at the Peoples Summit.
"We do not need a candidate who has bigotry as the cornerstone of his campaign," he said in an online address streamed across the nation.
"Hillary Clinton has proven herself as a champion of the labor movement and we will be the driving force to elect her President of the United States."
Republican presidential nominee Donald Trump has sunk to new lows in bigotry, fear mongering and slander.
"This kind of conduct is pernicious and oppressive. One legal commentator says it smacks of authoritarianism and tyranny. I agree."
Legal experts across the country are saying Trump is guilty of "endangering the independence of the judiciary."
This moment was celebrated across the nation; parents made sure their young daughters understood the significance of this win.
To halt the onslaught from the right, organizing against Donald Trump alone will not be enough.
Donald Trump might be in it for the money; that's more than enough reason to work hard to make sure he's not allowed anywhere near the Oval Office.
Actually allowing such a debate to go forward would be detrimental to the interests of voters everywhere.