Sen. Tom Harkin, Iowa Democrat, holds the four-volume report asserting that for-profit colleges often hit students with exorbitant tuition, aggressive recruiting and abysmal outcomes. Monday, July 30, 2012, on Capitol Hill in Washington. (Associated Press)

Sen. Tom Harkin, Iowa Democrat, holds the four-volume report asserting that for-profit colleges often hit students with exorbitant tuition, aggressive recruiting and abysmal outcomes. Monday, July 30, 2012, on Capitol Hill in Washington. (Associated Press)