Democratic presidential candidates engaged in their 3rd debate of the primary season. David Greene talks to Cokie Roberts and Democratic pollster Anna Greenberg, of Greenberg Quinlan Rosner Research.
In an interview with NPR's Steve Inskeep, Obama spoke at length on the subject of identity. The question of who we are as Americans, Obama said, has been a focus since the country's founding.
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.