Ryan Manion talks about her new book "The Knock At The Door" written with co-authors Heather Kelly and Amy Looney Heffernan about the men they lost, the ensuing grief and the struggle to overcome. She explains the Travis Manion Foundation, all the good work it is doing and how you can get involved. The motto "If not me, who?" is explored, as is the recognition of the struggles to overcome grief. Ryan talks with host Jim Fausone about the impact of losing a loved one in the service to the country.