Rick Santorum on Iran's nuclear path, immigration economics

Aired: 7/21/2015 | 0:07:52 | Clip
Former Sen. Rick Santorum, a Republican presidential candidate, sits down with Judy Woodruff to discuss his track record on national security and why he opposes the Iran nuclear agreement, navigating a crowded field of GOP contenders, how he thinks America can address high child poverty, plus his take on Donald Trump and the issue of immigration reform.

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