Government Study Confirms What We Already Knew: DC Vouchers Improve Graduation Rates - Big Government Another example of what I say about liberalism, is an eternal battle against the patently obvious. EVERYONE knows that public school education is mediocre at best, but liberals will protest way too much against that. The answer more money! More money! ANY answer besides pouring more money down the black hole of public education is met with hysterical vitriol. So, here's another reason for liberals to go NUTS. Even the government now admits vouchers improves education. Watch the rationalizations fly. They can start now!