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WASHINGTON, DC - JUNE 6: Visitors and members of the media take pictures of White House family dogs Bo (left) and Sunny (right) on the South Lawn of the White House, on June 6, 2015, in Washington, DC. President Obama is traveling to Wilmington, Delaware Saturday morning to deliver the eulogy at Beau Biden's funeral. (Pool photo by Drew Angerer/Bloomberg) (Photo by Drew Angerer/WHITE HOUSE POOL (ISP POOL IMAGES)/Corbis/VCG via Getty Images)

WASHINGTON, DC - JUNE 6: Visitors and members of the media take pictures of White House family dogs Bo (left) and Sunny (right) on the South Lawn of the White House, on June 6, 2015, in Washington, DC. President Obama is traveling to Wilmington, Delaware Saturday morning to deliver the eulogy at Beau Biden's funeral. (Pool photo by Drew Angerer/Bloomberg)   (Photo by Drew Angerer/WHITE HOUSE POOL (ISP POOL IMAGES)/Corbis/VCG via Getty Images)