July 8, 2016: Dr. Francis Collins sings a duet with Mary Chapin Carpenter — Grammy Award-winning singer, songwriter and musician — at an American Academy of Achievement dinner and performance at the Jefferson Hotel in Washington, D.C.
July 8, 2016: Dr. Francis Collins sings a duet with Mary Chapin Carpenter — Grammy Award-winning singer, songwriter and musician — at an American Academy of Achievement dinner and performance at the Jefferson Hotel in Washington, D.C.