
Bob Bergdahl, father of Army Sgt. Bowe Bergdahl of Hailey, Idaho, who is being held captive in Afghanistan, shakes the hand of Gerald McCullar of Washington, Ill., who is portraying a prisoner of war, after he speaks May 27, 2012, at the the annual Rolling Thunder rally for POW/MIA awareness in Washington. (Courtesy of Rolling Thunder, Inc.)

Bob Bergdahl, father of Army Sgt. Bowe Bergdahl of Hailey, Idaho, who is being held captive in Afghanistan, shakes the hand of Gerald McCullar of Washington, Ill., who is portraying a prisoner of war, after he speaks May 27, 2012, at the the annual Rolling Thunder rally for POW/MIA awareness in Washington. (Courtesy of Rolling Thunder, Inc.)

Rolling Thunder, Inc. National Executive Director Artie Muller leads the way during the Rolling Thunder XXII Ride for Freedom along Constitution Avenue in Washington, D.C., Sunday, May 24, 2009. (Rod Lamkey Jr. / The Washington Times)