High-tech software is giving a voice to those with ALS

ViewForty-nine years of marriage builds a bond that not even a disease like ALS can break.

"I can still understand her, basically," Butch Darlington said about his wife, Margie. "We're together 24-7, 365."

It's been roughly three years since Margie was diagnosed with ALS. Within the last year, she's progressively lost her...