In this file photo, Kidney transplant recipient Solomon Weldeghebriel, second from left, with kidney donor Bill Singleton, right, holds his children Mahor, 5, left, and daughter Simona Weldeghebriel, 3, during a news conference at Georgetown University Hospital in Washington. 
    (Photo by Manuel Balce Ceneta / AP) 
    
    
  
  
 
    
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