Ravnsborg Pretends to Expertise on Islam; Flawed Slideshow Reinforces Misinformed Fears By Cory Allen Heidelberger on 2015-07-09 Yankton lawyer, Army Reservist, and Yankton County GOP chair Jason Ravnsborg brought his “Islam and ISIS” slideshow to Aberdeen today. He gave about 50 Brown County Republicans… Continue readingRavnsborg Pretends to Expertise on Islam; Flawed Slideshow Reinforces Misinformed Fears