Donald Trump

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Donald Trump exits his privately-owned Boeing 757 on the runway at Buffalo Niagara International Airport in Cheektowaga, N.Y. Friday, Jan. 31, 2014. Trump has been exploring a run for New York State Governor against Andrew M. Cuomo, the Democratic incumbent. (AP Photo/The Buffalo News, Charles Lewis)

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Donald Trump was the guest of honor and keynote speaker at the Erie County Republican Committee Lincoln Leadership Reception at Salvatore's Italian Gardens in Cheektowaga, N.Y., Friday, Jan. 31, 2014. About 40 Trump supporters who were not involved with the event stood outside to welcome him. (AP Photo/The Buffalo News, Sharon Cantillon)

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Donald Trump was the guest of honor and keynote speaker at the Erie County Republican Committee Lincoln Leadership Reception at Salvatore's Italian Gardens in Cheektowaga, N.Y. Friday, Jan. 31, 2014. (AP Photo/The Buffalo News, Sharon Cantillon)

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Donald Trump was the guest of honor and keynote speaker at the Erie County Republican Committee Lincoln Leadership Reception at Salvatore's Italian Gardens in Cheektowaga, N.Y. Friday, Jan. 31, 2014. Erie County Republican Chairman Nick Langworhy thanks Trump after he concludes his speech. (AP Photo/The Buffalo News, Sharon Cantillon)

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Donald Trump speaks at the Erie County Republican Committee fundraiser at Salvatore's Italian Gardens in Depew, NY, Friday, Jan. 31, 2014. The fundraiser was the largest GOP fundraiser in Western New York history (AP Photo/Lockport Union-Sun & Journal, Joed Viera)

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** FILE ** In this Sept. 16, 2013, photo, Donald Trump appears on the "Fox & Friends" television program in New York. He is toying with the idea of challenging New York Gov. Andrew Cuomo. (AP Photo/Richard Drew)