Romney worked hard, became successful. Isn’t that the basic definition of the “American dream?”

(HuffPo) — Speaking to union workers in swing state Nevada, the head of the AFL-CIO is expected to take some big swipes at presumptive GOP presidential nominee Mitt Romney on Tuesday, blasting the candidate as someone who “doesn’t know a thing about responsibility.”

“He doesn’t care about hard work and responsibility,” Richard Trumka, the union federation’s president, will say according to prepared remarks. “Hey, it was profitable for him to bleed companies, kill jobs, end pensions in bankruptcy court and then walk away with millions. What did he care?”

The labor leader has been attacking Romney for weeks, casting the former Massachusetts governor as a venture capitalist who doesn’t share the values of everyday workers. Trumka’s remarks on Tuesday seem aimed at Romney on a more personal level, calling his moral character into question.

“I don’t think he knows anything about the American dream,” Trumka will say, according to the prepared remarks. “Mitt Romney’s word is not his bond. It’s his convenience.”