"We are heartbroken to learn that our son, Abdul-Rahman Peter Kassig, has lost his life as a result of his love for the Syrian people and his desire to ease their suffering," Ed and Paula Kassig said in a statement posted on Twitter. "You know we would have a chance here to make up for a lot wrong that we did in this part of the world if we stepped in, in the right way," he can be heard saying. Peter Kassig...