Should there be two autism diagnoses?

Should all autistic people share one diagnosis? Right now, there's only one diagnosis, Autism Spectrum Disorder, and some people want to change that. We speak with Alison Singer, the President of the Autism Science Foundation and the Autism Science Foundation of Canada. She says having one diagnosis hurts people like her daughter who is non-verbal and needs a lot of support — and that there should be a diagnosis of profound autism to help unlock research and support.