WASHINGTON, DC - JANUARY 20: Former U.S. President Barack Obama (R) congratulates U.S. President Donald Trump after he took the oath of office on the West Front of the U.S. Capitol on January 20, 2017 in Washington, DC. In today's inauguration ceremony Donald J. Trump becomes the 45th president of the United States. (Photo by Chip Somodevilla/Getty Images)
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Trump vs. Obama: A rocky relationship
CNN looks at the relationship between Barack Obama and Donald Trump.
1:43 • Source: CNN
Obama's relationship with Trump 14 videos
WASHINGTON, DC - JANUARY 20: Former U.S. President Barack Obama (R) congratulates U.S. President Donald Trump after he took the oath of office on the West Front of the U.S. Capitol on January 20, 2017 in Washington, DC. In today's inauguration ceremony Donald J. Trump becomes the 45th president of the United States. (Photo by Chip Somodevilla/Getty Images)
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Trump vs. Obama: A rocky relationship
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URBANA, IL - SEPTEMBER 07: Former President Barack Obama speaks to students at the University of Illinois where he accepted the Paul H. Douglas Award for Ethics in Government on September 7, 2018 in Urbana, Illinois. The award is an annual honor given by the university's Institute of Government and Public Affairs to recognize public officials who have made significant contributions in public service. (Photo by Scott Olson/Getty Images)
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CHICAGO, IL - DECEMBER 05: Former president Barack Obama speaks to a gathering of more than 50 mayors and other guests during the North American Climate Summit on December 5, 2017 in Chicago, Illinois. The summit was held to bring together leaders from the U.S., Canada and Mexico to commit their cities to addressing climate change at the local level. (Photo by Scott Olson/Getty Images)
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US President Donald Trump and former President Barack Obama talk on the East front steps of the US Capitol after inauguration ceremonies on January 20, 2017 in Washington, DC.
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