The president says he supports student activism at college campuses around the country, but says activists have to beware of shutting people out "because they don't like what they stand for."
Ted Cruz is spending the weekend campaigning throughout states voting on Super Tuesday, talking up how well-positioned he is in states like Iowa and New Hampshire that come earlier.
The statement received widespread criticism, given that ISIS still controls lots of territory inside Syria and inspired the recent attack in San Bernardino.
The dust-up over the data download was portrayed prior to the debate as a potential turning point for the entire campaign, or at least a good reason to watch the debate.
Early on Sanders apologized to Clinton for his campaign's actions in improperly viewing her campaign's private data. The rest of the debate focused on national security and domestic issues.
A Saturday evening debate expected to be unexciting could have new fire after the DNC and Sanders sparred over a data breach where his campaign saw proprietary information from Clinton's campaign.