Romney gets scrutiny for praise of for-profit college led by campaign donor. Biden angers faculty by suggesting their salaries force tuition up. Gingrich attacks fluency in French.
Republican front-runner Newt Gingrich is unique in the field for his academic past -- and for some of the ideas he has put forward.
Student debt has emerged as a major focus of the protests. Some worry that prospective students are hearing the wrong message -- while others see important shifts in the political debate about borrowing.
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