Biden, who is openly considering running against Hillary Clinton in the Democratic primary, thanked "my friend" Richard Trumka, president of the AFL-CIO. "
"There wouldn't be a single basic right, from a 40-hour week to sick leave, there wouldn't a single basic right out there ... but for labor," Biden said. "You build the middle class. That's not an exaggeration."
The vice president also attacked growing inequality.
"Let me tell you something, man," Biden said. "The tax code's not fair. The wealthy aren't paying their fair share."
"Today 1 percent of Americans owns 40 percent of all wealth in America," the vice president said. "A level playing field doesn't exist."
"It's the way the tax code has been setup," Biden charged.
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