The only people more eager than progressive Democrats for hearings on Medicare for All are conservative Republicans.

GOP lawmakers, fresh off an electoral shellacking fueled in large part by health care concerns, are now trolling Democrats with demands for hearings on the sweeping single-payer bill set to be introduced this month. They’re confident that revelations about its potential cost and elimination of most private insurance will give them potent lines of attack heading into 2020 — an election that President Donald Trump is already framing as a debate about “socialism.”