The Pentagon is considering tapping into the remaining funds in the presidential drawdown authority (PDA), even though it remains uncertain whether Congress approves funding to replenish these funds, CNN reported on Feb. 28, citing U.S. defense officials.
Best argument is that that 32 trillion is in fact the total cost over a number of years, not the difference between current system and medicare for all. Medicare for all as suggested then saves money, around 5 trillion, from admin costs and being in a better negotiating position for drugs.
https://www.citizen.org/news/fact-check-medicare-for-all-would-save-the-u-s-trillions-public-option-would-leave-millions-uninsured-not-garner-savings/