Playgrounds Too Safe?

NY Times article entitled "Can a Playground Be Too Safe?" This article discusses the changes made in playgrounds over the last 50 years, and then explores the psychological impact this has made on our children. Specifically, studies have found that children who have semi-"dangerous" playgrounds to explore can overcome fears such as fear of heights or of dangerous places. Should playgrounds have more "exciting" and potentially dangerous equipment? How has our litigious society impacted the way children play? Is a playground a good place to develop emotional and mental well-being?