Ronald H. Balson, the author of bestsellers “Once We Were Brothers,” “Saving Sophie,” “The Girl From Berlin” and “Karolina’s Twins,” is a Chicago trial and appellate lawyer with Stone Pogrund & Korey LLC.Immediately after I finished Balson’s last book, “The Girl From Berlin,” and after writing a glowing review, I looked to see if I had missed any other book he may have written.I found “The Trust” (St. Martin’s Press) and started …