Joe Mantegna and Gary Sinise host this collection of "National Memorial Day Concert" highlights, including performances by Yolanda Adams, Kris Allen, Javier Colon, Pia Toscano and the National Symphony Orchestra under the baton of Jack Everly. In addition, Gen. Colin L. Powell (USA Ret.) pays tribute to the troops serving in Afghanistan and Iraq. A.J. Cook, Jason Ritter and Forest Whitaker also help honor America's veterans.