Can Rubio and Cruz disrupt Trump’s momentum?

Aired: 2/29/2016 | 0:07:56 | Clip
Gwen Ifill joins Amy Walter of the Cook Political Report and Tamara Keith of NPR to discuss the latest in politics, including growing Republican concerns over Donald Trump’s ascendancy, Sen. Marco Rubio and Sen. Ted Cruz’s strategies for Super Tuesday, Hillary Clinton and Sen. Bernie Sanders’ renewed criticism of Trump’s rhetoric and the grim future facing the GOP.