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ST LOUIS, MO - OCTOBER 09:  Donald Trump, Jr. (R) greets his father Republican presidential nominee Donald Trump during the town hall debate at Washington University on October 9, 2016 in St Louis, Missouri. This is the second of three presidential debates scheduled prior to the November 8th election.  (Photo by Rick Wilking/Pool/Getty Images)
ST LOUIS, MO - OCTOBER 09:  Donald Trump, Jr. (R) greets his father Republican presidential nominee Donald Trump during the town hall debate at Washington University on October 9, 2016 in St Louis, Missouri. This is the second of three presidential debates scheduled prior to the November 8th election.  (Photo by Rick Wilking/Pool/Getty Images)

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White House: No one in Trump campaign colluded

Donald Trump Jr. admits to meeting with a Russian lawyer during the 2016 election for opposition research on Hilary Clinton. CNN's Jeff Zeleny reports.

White House: No one in Trump campaign colluded

Donald Trump Jr. admits to meeting with a Russian lawyer during the 2016 election for opposition research on Hilary Clinton. CNN's Jeff Zeleny reports.