Will personality or policy dominate at second GOP debate?

Aired: 9/16/2015 | 0:04:38 | Clip
Eleven Republican presidential hopefuls will take the debate stage during primetime in Simi Valley, California, while four lower-polling candidates will face off in an earlier round. Political director Lisa Desjardins joins Gwen Ifill to provide a preview of what we can expect to see.

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