President Obama and Jack Hoffman in the Oval Office

President Barack Obama greets Jack Hoffman, 7, of Atkinson, Neb., in the Oval Office, April 29, 2013. Hoffman, who is battling pediatric brain cancer, gained national attention after he ran for a 69-yard touchdown during a Nebraska Cornhuskers spring football game. Hoffman holds a football that the President signed for him. (Official White House Photo by Pete Souza)

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