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US Republican Presidential hopeful and Texas Senator Ted Cruz speaks as he chairs the Subcommittee on Space, Science and Competitiveness during a hearing on climate change on Capitol Hill in Washington, DC, December 8, 2015.
US Republican Presidential hopeful and Texas Senator Ted Cruz speaks as he chairs the Subcommittee on Space, Science and Competitiveness during a hearing on climate change on Capitol Hill in Washington, DC, December 8, 2015.

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Gary Tuchman speaks with a group of Cruz supporters in Las Vegas.

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Gary Tuchman speaks with a group of Cruz supporters in Las Vegas.