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Donald Trump delivers an economic policy address detailing his economic plan at the Detroit Economic Club August 8, 2016 in Detroit Michigan.
Donald Trump delivers an economic policy address detailing his economic plan at the Detroit Economic Club August 8, 2016 in Detroit Michigan.

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    Many GOP officials sign letter opposing Trump

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Many GOP officials sign letter opposing Trump

Aaron Friedberg, former adviser to US Vice President Dick Cheney, tells CNN's Amara Walker why he signed a letter opposing Donald Trump.

Many GOP officials sign letter opposing Trump

Aaron Friedberg, former adviser to US Vice President Dick Cheney, tells CNN's Amara Walker why he signed a letter opposing Donald Trump.