Sesame Street is airing “When Families Grieve” on PBS this Wednesday, April 14, 2010 at 8pm. It is program to help children that have lost someone that they love. Sesame Street has provided a preview so that you can get idea of what the program will discuss. We hear from children and their surviving parents after they have had to deal with a death of a parent. Elmo deals with the death of his uncle. Elmo and Katie Couric host the special.