economically. they will refinance the loans at lower rates. it makes sense. right? over the last eight years, student debt has skyrocketed to about $1.2 trillion and debt holders' burden has gone up 70%. with us now on set to talk about this, columbia university professor and andrew rossi. the filmmaker behind the new documentary "ivory tower." all about the rising cost of college. it has gotten outrageous. how expensive it is for middle-class americans and working-class americans to send their kids to school. >> it really is expensive. as these colleges look at how they can become profit centers, business models, they kind of take the lead from the other ones. andrew, we have andy on the left and andrew on the right here. andrew, why did you want to take a look at this, the ivory tower? obviously the american dream is for -- all of us, you know, our kids to grow up and send them off to a power-year institution.

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