Rep. Virginia Foxx, a North Carolina Republican, says giving up 20 percent of America's corn crop to make ethanol has unintended consequences, like spiking the cost of livestock feed.

NPR: Farm Bill Offers Aid to Fruit, Vegetable Growers

He didn't mention her name but the president recounted the comments of Rep. Virginia Foxx (R-NC) who had told a talk radio host that she had "very little tolerance" for students who graduate with large amounts of debt.

CNN: STORY HIGHLIGHTS