Sen. Cory Booker Cory Anthony BookerBipartisan praise pours in after Ginsburg's death DHS opens probe into allegations at Georgia ICE facility Democratic lawmakers call for an investigation into allegations of medical neglect at Georgia ICE facility MORE (D-N.J.) on Sunday said he supports the progressive "Medicare for All" health care plan, but noted that he is a "pragmatist" who is interested in looking for more "immediate" reforms to the system.

"I stand by supporting 'Medicare for All' but I’m also that pragmatist," Booker, a 2020 presidential candidate, told CNN's Jake Tapper Jacob (Jake) Paul TapperThe media's misleading use of COVID-19 data Julia Louis-Dreyfus: 'We can't spend much time grieving' Ginsburg Pence aide dismisses concerns rushed vote on Trump nominee will hurt vulnerable senators MORE on "State of the Union." "I’m going to find the immediate things that we can do. I’m telling you right now we’re not going to pull health insurance from 150 million Americans that have private insurance, who like their insurance."

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Tapper pointed out that the "Medicare for All" proposal Booker has signed onto in the Senate, introduced by Sen. Bernie Sanders Bernie SandersOutrage erupts over Breonna Taylor grand jury ruling Dimon: Wealth tax 'almost impossible to do' Grand jury charges no officers in Breonna Taylor death MORE (I-Vt.), would eliminate private insurance.

"It’s going to have to be a pathway to getting there that’s going to start with the commonsense things that can unite Americans," Booker said, pointing out that it would be difficult to get the plan through the Senate.

"If we’re designing our system, Medicare for All is the right way to go, but I’m also realistic to say ... when I become president, we may have only a 50-50 tie in the Senate," Booker said. "And my vice president, whoever she is, is going to get a lot of exercise going to the Senate, breaking ties."

"We are going to have to do things that might get me towards my goal of expanding access and lowering costs," Booker said.

The "Medicare for All" proposal has garnered support from many of presidential candidates in the Senate, including Sens. Kirsten Gillibrand (D-N.Y.), Kamala Harris (D-Calif.) and Elizabeth Warren (D-Mass.) and Rep. Tulsi Gabbard (D-Hawaii).

The plan would transform Medicare into a single-payer system that provides health-care coverage, including dental, vision and long-term care, to all Americans under one plan.