Who were the two most powerful and effective orators of the decade?

"You will note that under the formal DSM definition of autism, deficits in communication are a fundamental feature of the condition — perhaps that should be changed? Greta uses the term “selective mutism” in describing herself, but clearly the actual reality is more than just a simple deficit, rather an uneven pattern with very high peaks. As I wrote in the column, communicating is what she does."