"The cause or causes of autism are not known and are hotly debated. Most experts believe that genetics are a component, making a child predisposed to autism or responsive to an environmental trigger." (Autistic children linked to same sperm donor - CNN.com)

wait...i thought autism was the product of childhood vacinnes - that was the defense contention in a recent lawsuit.

So which is it? Genetic or Vaccines? Hmmm....