Will accept iranian students into science and engineering classes. Umass explains. Climbing niagra. The falls are frozen and are conquered in reverse. You will meet the pioneer. We begin tonight with a remarkable story out of texas where the family of an manner who disappeared in the middle east is making a dramatic plea. Austin tice is one of two americans believed to be missing in syria. His family is imploring president obama to help their son. Roxana saberi last the story. They believe the american and Syrian Governments can help but they need to work together. Waking up and realizing its not a nightmare. Its the first the hardest part of every day. Reporter debra and mark tice last spoke to their son austin. Two and a half years ago. He was reporting on the war in syria when suddenly he disappeared. How prepared were you that austin wouldnt come back . To reason to prepare for that. We are preparing for him to come home. Austin grew up in houston the oldest of seven children. His