<Li> In 2014, actor and director Robert Redford, who was once struck with a mild case of polio when he was a child, directed a documentary about the Salk Institute in La Jolla . </Li> <Ul> <Li> Man Unfolding (1972) </Li> <Li> Survival of the Wisest (1973) </Li> <Li> World Population and Human Values: A New Reality (1981) </Li> <Li> Anatomy of Reality: Merging of Intuition and Reason (1983) </Li> </Ul> <Li> Man Unfolding (1972) </Li> <Li> Survival of the Wisest (1973) </Li>

Bill is concerned about joan. what can he do right away to make joan as safe as possible