This week on "Sunday Morning" (July 11)

Host: Jane Pauley 

      COVER STORY: Race to a cure for ALSBrian Wallach has beaten the odds. Four years ago, he was diagnosed with ALS – amyotrophic lateral sclerosis – and given six months to live. He's used that time to lobby for more research funds for dozens of clinical trials of promising drugs to combat ALS. Correspondent Lee Cowan talks with Wallach and his wife, Sandra Abrevaya, about their unceasing efforts to expand treatments for ALS patients; and with Chris Snow, whose use of a promising experimental ALS treatment has already more than doubled his life expectancy. For more info: