Sen. Bernie Sanders Bernie SandersKenosha will be a good bellwether in 2020 Biden's fiscal program: What is the likely market impact? McConnell accuses Democrats of sowing division by 'downplaying progress' on election security MORE (I-Vt.) on Sunday blasted President Trump's tax proposal, calling it "really bad policy."

"This is not a tax break for the rich? Well I don't know what a tax break for the rich is," Sanders said during an interview on ABC's "This Week."

"What this is is a massive transfer of wealth."

Sanders said he hopes Democrats will fight the Republican proposal.

"This is not politics," he said.

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"This is just really bad policy, and I'm not clear why anybody would support a proposal which is massive amounts of tax breaks to the people who don't need it."

Americans should be pushing for the wealthiest people in this country to start paying their fair share of taxes, Sanders said.

He added that people need to focus on the needs of the middle class and working families of this country.

"Those are the people who need help," he said, "not the top 1 percent."