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Republican presidential candidate, former Massachusetts Gov. Mitt Romney (L) and Donald Trump shake hands during a news conference held by Trump to endorse Romney for president at the Trump International Hotel & Tower Las Vegas February 2, 2012 in Las Vegas, Nevada.
Republican presidential candidate, former Massachusetts Gov. Mitt Romney (L) and Donald Trump shake hands during a news conference held by Trump to endorse Romney for president at the Trump International Hotel & Tower Las Vegas February 2, 2012 in Las Vegas, Nevada.

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    Trump responds to Romney tax return 'bombshell' claims

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Trump responds to Romney tax return 'bombshell' claims

Donald Trump responds to Mitt Romney's warning that his tax return could contain a "bombshell" in an interview with CNN's Anderson Cooper.

Trump responds to Romney tax return 'bombshell' claims

Donald Trump responds to Mitt Romney's warning that his tax return could contain a "bombshell" in an interview with CNN's Anderson Cooper.