The problem was Democrats didn't turn out: Only 26 percent of registered voters in Virginia voted.
Sanders's campaign is history-making: Record crowds, record support, and still a year out from the nominating convention - and all for a guy who says he'll refuse all corporate cash.
Sanders said they have the same goals of restoring the economy and the country to control of and benefit for the middle class, and urged them to join a mass movement to do just that.
Weingarten put the union's endorsement in the context of scrapping the Bush-era No Child Left Behind and its teach-to-the-test penalizing of students and schools.
"If you don't vote - and some in the opposition have told me that they don't want you to vote - you don't count."
While Republican turnout was down, the increase in Democratic turnout fell far short of what was needed to win.
"The tea party Republicans divide the country: Scaring people is not standing up for people."
That announcement by Senator Tom Harkin, D-Iowa, brought cheers from a jammed Capitol rally after the labor-backed "Raise The Wage" bus ended its 11-state tour by halting at the foot of Capitol Hill.
"I was once the main breadwinner but now we are not really able to make ends meet."
If the polls are to be believed, tea party-backed candidates could well go down to defeat all over Virginia on November 5.