Clinton, Trump prepare for debate amid Republican exodus
Clip: 10/09/2016 | 2m 51s
As Hillary Clinton and Donald Trump prepare for tonight's second presidential debate, the number of Republicans who have withdrawn support for Trump continues to grow. The two candidates will meet in a town hall debate at Washington University in St. Louis. PBS NewsHour’s John Yang joins William Brangham outside the debate hall for a preview.
Aired: 10/09/16
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