taxpayers. nevertheless, democrats like 2020 presidential candidate elizabeth warren have spent years demanding more and more subsidies and claiming that the u.s. government would save a fortune. here's the massachusetts senator in 2013. >> let's all be clear about what the current student loan interest rates produce for the united states government. the cbo, the agency in charge of estimating these costs for the government, maintains that this year the united states government will make $51 billion in profits from the student loans. paul: we're back with james freeman, allysia finley and kyle peterson. allysia, the senator saying student loans would be a profit center for the federal government. what went wrong? >> well, they were basing this on some kind of interest rate arbitrage. the government would borrow at a lower rate than it would lend to students. what went wrong is, basically,