(CNN) Complaining about the process or Republican tactics is a dead end for Democrats fighting to block Brett Kavanaugh's Supreme Court confirmation, Sen. Bernie Sanders argued on Thursday, as he prepared to hit the road and rally opposition to President Donald Trump's second nominee in less than two years.

"This is political," the Vermont independent, who caucuses with Senate Democrats and ran for the 2016 Democratic presidential nomination, said in an interview. "If you're concerned about women's rights and you're concerned about health care, the environment, (you need to) understand that the majority of this Supreme Court is about is working for the wealthy and the powerful against the needs of ordinary Americans."

But if the confirmation debate becomes an argument over manners or how Republicans maneuvered to get to this point, Sanders suggested, the public -- which he believes is mostly detached from Supreme Court-related jousting -- will switch off.

"The point now is to make people understand the real-life consequences of these decisions," he said. "I think if you frame it like that, you will be successful."

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