JEFFREY THOMPSON ¥ jthompson@startribune.comNew Prague, MN - Oct. 22, 2007 - 113589Stefan Kavan shared a moment with his mother, Barb, before giving a presentation on living with autism at New Prague Junior High School Monday, Oct. 22, 2007. Stefan and Barb have traveled the state giving presentations on autism to school officials, social workers, and other members of the public.