@woozle You do this via Section 8 Housing vouchers at the state level. Once the government (Republicans) start balking about the line item, you'll know you've hit the right people with the right numbers.
aseriously, get all the people you know
Medicare is why Senator Klobuchar just passed a price cap on insulin. Yeah, sure, it'll win a few votes, but touting reduced deficit spending will get more, and that's a chunk of change.