This image released by ABC shows Lara Spencer , left, ABC News President Ben Sherwood, center, and George Stephanopoulos swabbing themselves at a bone marrow registry drive at ABC News

 

              This image released by ABC shows Lara Spencer , left,  ABC News President Ben Sherwood, center, and George Stephanopoulos swabbing themselves at a bone marrow registry drive at ABC News
This image released by ABC shows Lara Spencer , left, ABC News President Ben Sherwood, center, and George Stephanopoulos swabbing themselves at a bone marrow registry drive at ABC News headquarters in New York on Tuesday, June 26, 2012. The national bone marrow donation registry Be The Match reported Tuesday that the rate of new registrants has more than doubled since the "Good Morning America" anchor Robin Roberts announced on June 11 that she has MDS, a blood and bone marrow disease. (AP Photo/ABC, Lou Rocco)