we put this graphic up on our facebook page. it got more likes than anything we have ever posted for good reason. it comes from senator elizabeth warren and compares two simple things, how much banks have to pay when they borrow money from the federal government and how much students have to pay. for the last seven years, banks have got an sweet deal on interest rates and students a raw one. bank rates have been slashed to almost nothing and while student rates have lowered only slightly and set to double from 3.4% to 6.8% in less than a month and banks paying less than 1%. while they've been able to borrow near zero interest rates, student debt has exploded. almost a trillion in student debt in the united states second only to mortgage debt. in 2008 the average student