Abbey WallerContributing Writer “There was life before 9/11 and life after 9/11,” David Houghton, Lloyd G. and Betty E. Minter Chair of Business, said. “The world changed that day.” Twenty-five years later, the details remain clear: where he was, what he was doing, who he was with and how one moment changed the way he viewed the world. Houghton was driving to work in Idaho and listening to the radio when he heard that a plane had struck the World Trade Center. “As I walked through the door at work, my colleagues were huddled around a small TV,” Houghton said.…