A jump into a swimming pool in 2003 changed Travis Robinson's life forever. Somewhere between a belly flop and a tuck, Robinson, then 17, hit the pool in such a way that he injured his spinal cord. He now is paralyzed from the neck down. But in January, he hopes another moment will change his life: surgery. Robinson will fly to Portugal to get a breakthrough surgery at the Hospital Egas Moniz. In the procedure, the scar tissue that surrounds his spinal cord will be removed. Doctors will take tissue that contains stem cells from his sinuses and implant it...