Candidates seen as insiders struggle to appeal to voters

Aired: 8/31/2015 | 0:09:14 | Clip
Donald Trump is still dominating the polls, but how are the other top Republican candidates like Ben Carson, Jeb Bush and Scott Walker faring? Gwen Ifill looks at the week ahead in politics -- including another State Department email dump from Hillary Clinton -- with Amy Walter of the Cook Political Report and Tamara Keith of NPR.

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