Shields and Brooks on campaign finance and what we learned in the Democratic debate

Who stepped up and who stumbled in this week's Democratic debate? Mark Shields and David Brooks agree that the Democrats struck a different tone than their GOP counterparts. But which candidate surprised the most? And where do they stand now? And with the latest campaign fundraising numbers out, Mark and David weigh in on who’s winning the money game. Finally, the gentlemen discuss the significance of the president's decision to keep additional troops in Afghanistan beyond 2016. Is the President Obama just kicking this issue down the road for his successor? Watch this week’s Shields & Brooks for their breakdown. View the Full Story/Transcript: http://www.pbs.org/newshour/bb/shield...