Please come to the launch of Jack El-Hai’s book The Lost Brothers: A Family's Decades-Long Search (University of Minnesota Press) and the podcast Long Lost(Twin Cities PBS).  No reservation is needed and admission is free. In different ways, both the book and podcast tell the story that begins with the disappearance of the Klein brothers, ages 8, 6, and 4, on their way to their neighborhood park in north Minneapolis in 1951. In the years since, the police closed their investigation, the family continued…