What did the speaker say?
A Scythian nomad of Central Asia would have also been known as a) Saka. This is because they spoken an Euro-Iranian language and Saka relates to an Iranian root word which means nomad. The Scythian nomads were a large group of Eurasian-Iranian nomads who lived in the central Eurasian steppe area.
I believe the candidate you are looking for is Woodrow Wilson.